-89% is the change from 791 to 87
Calculation steps:
[( 87 - 791 ) ÷ 791] x 100 = -89%
Formula
Percentage change = [(87 - 791) / 791] x 100
Subtract the new number by the original number
87 - 791 = -704
-704 ÷ 791 = -0.8900126422250316
-0.8900126422250316 x 100 = -89%