15000% is the change from 1 to 151
Calculation steps:
[( 151 - 1 ) ÷ 1] x 100 = 15000%
Formula
Percentage change = [(151 - 1) / 1] x 100
Subtract the new number by the original number
151 - 1 = 150
150 ÷ 1 = 150
150 x 100 = 15000%
Example