-73.3% is the change from 824 to 220
Calculation steps:
[( 220 - 824 ) ÷ 824] x 100 = -73.3%
Formula
Percentage change = [(220 - 824) / 824] x 100
Subtract the new number by the original number
220 - 824 = -604
-604 ÷ 824 = -0.7330097087378641
-0.7330097087378641 x 100 = -73.3%