-86.73% is the change from 987 to 131
Calculation steps:
[( 131 - 987 ) ÷ 987] x 100 = -86.73%
Formula
Percentage change = [(131 - 987) / 987] x 100
Subtract the new number by the original number
131 - 987 = -856
-856 ÷ 987 = -0.867274569402229
-0.867274569402229 x 100 = -86.73%