-88.9% is the change from 910 to 101
Calculation steps:
[( 101 - 910 ) ÷ 910] x 100 = -88.9%
Formula
Percentage change = [(101 - 910) / 910] x 100
Subtract the new number by the original number
101 - 910 = -809
-809 ÷ 910 = -0.889010989010989
-0.889010989010989 x 100 = -88.9%