-10.18% is the change from 815 to 732
Calculation steps:
[( 732 - 815 ) ÷ 815] x 100 = -10.18%
Formula
Percentage change = [(732 - 815) / 815] x 100
Subtract the new number by the original number
732 - 815 = -83
-83 ÷ 815 = -0.10184049079754601
-0.10184049079754601 x 100 = -10.18%