-13.13% is the change from 815 to 708
Calculation steps:
[( 708 - 815 ) ÷ 815] x 100 = -13.13%
Formula
Percentage change = [(708 - 815) / 815] x 100
Subtract the new number by the original number
708 - 815 = -107
-107 ÷ 815 = -0.1312883435582822
-0.1312883435582822 x 100 = -13.13%