-74.12% is the change from 823 to 213
Calculation steps:
[( 213 - 823 ) ÷ 823] x 100 = -74.12%
Formula
Percentage change = [(213 - 823) / 823] x 100
Subtract the new number by the original number
213 - 823 = -610
-610 ÷ 823 = -0.741190765492102
-0.741190765492102 x 100 = -74.12%