-7.73% is the change from 815 to 752
Calculation steps:
[( 752 - 815 ) ÷ 815] x 100 = -7.73%
Formula
Percentage change = [(752 - 815) / 815] x 100
Subtract the new number by the original number
752 - 815 = -63
-63 ÷ 815 = -0.07730061349693251
-0.07730061349693251 x 100 = -7.73%