-13.88% is the change from 987 to 850
Calculation steps:
[( 850 - 987 ) ÷ 987] x 100 = -13.88%
Formula
Percentage change = [(850 - 987) / 987] x 100
Subtract the new number by the original number
850 - 987 = -137
-137 ÷ 987 = -0.13880445795339413
-0.13880445795339413 x 100 = -13.88%