-74.51% is the change from 824 to 210
Calculation steps:
[( 210 - 824 ) ÷ 824] x 100 = -74.51%
Formula
Percentage change = [(210 - 824) / 824] x 100
Subtract the new number by the original number
210 - 824 = -614
-614 ÷ 824 = -0.7451456310679612
-0.7451456310679612 x 100 = -74.51%