-90.69% is the change from 924 to 86
Calculation steps:
[( 86 - 924 ) ÷ 924] x 100 = -90.69%
Formula
Percentage change = [(86 - 924) / 924] x 100
Subtract the new number by the original number
86 - 924 = -838
-838 ÷ 924 = -0.9069264069264069
-0.9069264069264069 x 100 = -90.69%