765% is the change from 20 to 173
Calculation steps:
[( 173 - 20 ) ÷ 20] x 100 = 765%
Formula
Percentage change = [(173 - 20) / 20] x 100
Subtract the new number by the original number
173 - 20 = 153
153 ÷ 20 = 7.65
7.65 x 100 = 765%
Example