-87.29% is the change from 991 to 126
Calculation steps:
[( 126 - 991 ) ÷ 991] x 100 = -87.29%
Formula
Percentage change = [(126 - 991) / 991] x 100
Subtract the new number by the original number
126 - 991 = -865
-865 ÷ 991 = -0.8728557013118062
-0.8728557013118062 x 100 = -87.29%