-19.86% is the change from 987 to 791
Calculation steps:
[( 791 - 987 ) ÷ 987] x 100 = -19.86%
Formula
Percentage change = [(791 - 987) / 987] x 100
Subtract the new number by the original number
791 - 987 = -196
-196 ÷ 987 = -0.19858156028368795
-0.19858156028368795 x 100 = -19.86%