100.99% is the change from 202 to 406
Calculation steps:
[( 406 - 202 ) ÷ 202] x 100 = 100.99%
Formula
Percentage change = [(406 - 202) / 202] x 100
Subtract the new number by the original number
406 - 202 = 204
204 ÷ 202 = 1.00990099009901
1.00990099009901 x 100 = 100.99%