-13.22% is the change from 991 to 860
Calculation steps:
[( 860 - 991 ) ÷ 991] x 100 = -13.22%
Formula
Percentage change = [(860 - 991) / 991] x 100
Subtract the new number by the original number
860 - 991 = -131
-131 ÷ 991 = -0.13218970736629668
-0.13218970736629668 x 100 = -13.22%