-89.97% is the change from 877 to 88
Calculation steps:
[( 88 - 877 ) ÷ 877] x 100 = -89.97%
Formula
Percentage change = [(88 - 877) / 877] x 100
Subtract the new number by the original number
88 - 877 = -789
-789 ÷ 877 = -0.8996579247434435
-0.8996579247434435 x 100 = -89.97%