-88.61% is the change from 676 to 77
Calculation steps:
[( 77 - 676 ) ÷ 676] x 100 = -88.61%
Formula
Percentage change = [(77 - 676) / 676] x 100
Subtract the new number by the original number
77 - 676 = -599
-599 ÷ 676 = -0.886094674556213
-0.886094674556213 x 100 = -88.61%