-12.44% is the change from 820 to 718
Calculation steps:
[( 718 - 820 ) ÷ 820] x 100 = -12.44%
Formula
Percentage change = [(718 - 820) / 820] x 100
Subtract the new number by the original number
718 - 820 = -102
-102 ÷ 820 = -0.12439024390243902
-0.12439024390243902 x 100 = -12.44%