102% is the change from 100 to 202
Calculation steps:
[( 202 - 100 ) ÷ 100] x 100 = 102%
Formula
Percentage change = [(202 - 100) / 100] x 100
Subtract the new number by the original number
202 - 100 = 102
102 ÷ 100 = 1.02
1.02 x 100 = 102%
Example