-91.25% is the change from 880 to 77
Calculation steps:
[( 77 - 880 ) ÷ 880] x 100 = -91.25%
Formula
Percentage change = [(77 - 880) / 880] x 100
Subtract the new number by the original number
77 - 880 = -803
-803 ÷ 880 = -0.9125
-0.9125 x 100 = -91.25%