-91.02% is the change from 824 to 74
Calculation steps:
[( 74 - 824 ) ÷ 824] x 100 = -91.02%
Formula
Percentage change = [(74 - 824) / 824] x 100
Subtract the new number by the original number
74 - 824 = -750
-750 ÷ 824 = -0.9101941747572816
-0.9101941747572816 x 100 = -91.02%