-87.91% is the change from 910 to 110
Calculation steps:
[( 110 - 910 ) ÷ 910] x 100 = -87.91%
Formula
Percentage change = [(110 - 910) / 910] x 100
Subtract the new number by the original number
110 - 910 = -800
-800 ÷ 910 = -0.8791208791208791
-0.8791208791208791 x 100 = -87.91%