15500% is the change from 1 to 156
Calculation steps:
[( 156 - 1 ) ÷ 1] x 100 = 15500%
Formula
Percentage change = [(156 - 1) / 1] x 100
Subtract the new number by the original number
156 - 1 = 155
155 ÷ 1 = 155
155 x 100 = 15500%
Example