-86.48% is the change from 910 to 123
Calculation steps:
[( 123 - 910 ) ÷ 910] x 100 = -86.48%
Formula
Percentage change = [(123 - 910) / 910] x 100
Subtract the new number by the original number
123 - 910 = -787
-787 ÷ 910 = -0.8648351648351649
-0.8648351648351649 x 100 = -86.48%