-88.21% is the change from 772 to 91
Calculation steps:
[( 91 - 772 ) ÷ 772] x 100 = -88.21%
Formula
Percentage change = [(91 - 772) / 772] x 100
Subtract the new number by the original number
91 - 772 = -681
-681 ÷ 772 = -0.8821243523316062
-0.8821243523316062 x 100 = -88.21%