11900% is the change from 1 to 120
Calculation steps:
[( 120 - 1 ) ÷ 1] x 100 = 11900%
Formula
Percentage change = [(120 - 1) / 1] x 100
Subtract the new number by the original number
120 - 1 = 119
119 ÷ 1 = 119
119 x 100 = 11900%
Example