-88.55% is the change from 777 to 89
Calculation steps:
[( 89 - 777 ) ÷ 777] x 100 = -88.55%
Formula
Percentage change = [(89 - 777) / 777] x 100
Subtract the new number by the original number
89 - 777 = -688
-688 ÷ 777 = -0.8854568854568855
-0.8854568854568855 x 100 = -88.55%