-90.72% is the change from 937 to 87
Calculation steps:
[( 87 - 937 ) ÷ 937] x 100 = -90.72%
Formula
Percentage change = [(87 - 937) / 937] x 100
Subtract the new number by the original number
87 - 937 = -850
-850 ÷ 937 = -0.9071504802561366
-0.9071504802561366 x 100 = -90.72%