-17.7% is the change from 915 to 753
Calculation steps:
[( 753 - 915 ) ÷ 915] x 100 = -17.7%
Formula
Percentage change = [(753 - 915) / 915] x 100
Subtract the new number by the original number
753 - 915 = -162
-162 ÷ 915 = -0.17704918032786884
-0.17704918032786884 x 100 = -17.7%