1053.33% is the change from 15 to 173
Calculation steps:
[( 173 - 15 ) ÷ 15] x 100 = 1053.33%
Formula
Percentage change = [(173 - 15) / 15] x 100
Subtract the new number by the original number
173 - 15 = 158
158 ÷ 15 = 10.533333333333333
10.533333333333333 x 100 = 1053.33%