17900% is the change from 1 to 180
Calculation steps:
[( 180 - 1 ) ÷ 1] x 100 = 17900%
Formula
Percentage change = [(180 - 1) / 1] x 100
Subtract the new number by the original number
180 - 1 = 179
179 ÷ 1 = 179
179 x 100 = 17900%
Example