-86.65% is the change from 981 to 131
Calculation steps:
[( 131 - 981 ) ÷ 981] x 100 = -86.65%
Formula
Percentage change = [(131 - 981) / 981] x 100
Subtract the new number by the original number
131 - 981 = -850
-850 ÷ 981 = -0.8664627930682977
-0.8664627930682977 x 100 = -86.65%