-90.7% is the change from 935 to 87
Calculation steps:
[( 87 - 935 ) ÷ 935] x 100 = -90.7%
Formula
Percentage change = [(87 - 935) / 935] x 100
Subtract the new number by the original number
87 - 935 = -848
-848 ÷ 935 = -0.906951871657754
-0.906951871657754 x 100 = -90.7%