-21.69% is the change from 913 to 715
Calculation steps:
[( 715 - 913 ) ÷ 913] x 100 = -21.69%
Formula
Percentage change = [(715 - 913) / 913] x 100
Subtract the new number by the original number
715 - 913 = -198
-198 ÷ 913 = -0.21686746987951808
-0.21686746987951808 x 100 = -21.69%