10200% is the change from 1 to 103
Calculation steps:
[( 103 - 1 ) ÷ 1] x 100 = 10200%
Formula
Percentage change = [(103 - 1) / 1] x 100
Subtract the new number by the original number
103 - 1 = 102
102 ÷ 1 = 102
102 x 100 = 10200%
Example