-20.78% is the change from 823 to 652
Calculation steps:
[( 652 - 823 ) ÷ 823] x 100 = -20.78%
Formula
Percentage change = [(652 - 823) / 823] x 100
Subtract the new number by the original number
652 - 823 = -171
-171 ÷ 823 = -0.2077764277035237
-0.2077764277035237 x 100 = -20.78%