50.5% is the change from 202 to 304
Calculation steps:
[( 304 - 202 ) ÷ 202] x 100 = 50.5%
Formula
Percentage change = [(304 - 202) / 202] x 100
Subtract the new number by the original number
304 - 202 = 102
102 ÷ 202 = 0.504950495049505
0.504950495049505 x 100 = 50.5%