-91.56% is the change from 924 to 78
Calculation steps:
[( 78 - 924 ) ÷ 924] x 100 = -91.56%
Formula
Percentage change = [(78 - 924) / 924] x 100
Subtract the new number by the original number
78 - 924 = -846
-846 ÷ 924 = -0.9155844155844156
-0.9155844155844156 x 100 = -91.56%