20200% is the change from 1 to 203
Calculation steps:
[( 203 - 1 ) ÷ 1] x 100 = 20200%
Formula
Percentage change = [(203 - 1) / 1] x 100
Subtract the new number by the original number
203 - 1 = 202
202 ÷ 1 = 202
202 x 100 = 20200%
Example