1)

[tex]1\% = 1 \div 100 = 0.01[/tex]

[tex]8\% = 8 \div 100 = 0.08[/tex]

[tex]30\% = 30 \div 100 = 0.3[/tex]

[tex]140\% = 140 \div 100 = 1.4[/tex]

[tex]200\% = 200 \div 100 = 2[/tex]

[tex]4.5\% = 4.5 \div 100 = 0.045[/tex]

2)

[tex]0.24 = 0.24 \times 100\% = 24\%[/tex]

[tex]0.04 = 0.04 \times 100\% = 4\%[/tex]

[tex]0.4 = 0.4 \times 100\% = 40\%[/tex]

[tex]0.682 = 0.682 \times 100\% = 68.2\%[/tex]

[tex]1.6 = 1.6 \times 100\% = 160\%[/tex]

[tex]8 = 8 \times 100\% = 800\%[/tex]