-12.93% is the change from 820 to 714
Calculation steps:
[( 714 - 820 ) ÷ 820] x 100 = -12.93%
Formula
Percentage change = [(714 - 820) / 820] x 100
Subtract the new number by the original number
714 - 820 = -106
-106 ÷ 820 = -0.12926829268292683
-0.12926829268292683 x 100 = -12.93%