50.99% is the change from 202 to 305
Calculation steps:
[( 305 - 202 ) ÷ 202] x 100 = 50.99%
Formula
Percentage change = [(305 - 202) / 202] x 100
Subtract the new number by the original number
305 - 202 = 103
103 ÷ 202 = 0.5099009900990099
0.5099009900990099 x 100 = 50.99%