-88.09% is the change from 991 to 118
Calculation steps:
[( 118 - 991 ) ÷ 991] x 100 = -88.09%
Formula
Percentage change = [(118 - 991) / 991] x 100
Subtract the new number by the original number
118 - 991 = -873
-873 ÷ 991 = -0.8809283551967709
-0.8809283551967709 x 100 = -88.09%