-88.27% is the change from 776 to 91
Calculation steps:
[( 91 - 776 ) ÷ 776] x 100 = -88.27%
Formula
Percentage change = [(91 - 776) / 776] x 100
Subtract the new number by the original number
91 - 776 = -685
-685 ÷ 776 = -0.8827319587628866
-0.8827319587628866 x 100 = -88.27%