109.9% is the change from 202 to 424
Calculation steps:
[( 424 - 202 ) ÷ 202] x 100 = 109.9%
Formula
Percentage change = [(424 - 202) / 202] x 100
Subtract the new number by the original number
424 - 202 = 222
222 ÷ 202 = 1.099009900990099
1.099009900990099 x 100 = 109.9%