-91.18% is the change from 986 to 87
Calculation steps:
[( 87 - 986 ) ÷ 986] x 100 = -91.18%
Formula
Percentage change = [(87 - 986) / 986] x 100
Subtract the new number by the original number
87 - 986 = -899
-899 ÷ 986 = -0.9117647058823529
-0.9117647058823529 x 100 = -91.18%