-19.7% is the change from 812 to 652
Calculation steps:
[( 652 - 812 ) ÷ 812] x 100 = -19.7%
Formula
Percentage change = [(652 - 812) / 812] x 100
Subtract the new number by the original number
652 - 812 = -160
-160 ÷ 812 = -0.19704433497536947
-0.19704433497536947 x 100 = -19.7%