-82.79% is the change from 924 to 159
Calculation steps:
[( 159 - 924 ) ÷ 924] x 100 = -82.79%
Formula
Percentage change = [(159 - 924) / 924] x 100
Subtract the new number by the original number
159 - 924 = -765
-765 ÷ 924 = -0.827922077922078
-0.827922077922078 x 100 = -82.79%