-81.99% is the change from 772 to 139
Calculation steps:
[( 139 - 772 ) ÷ 772] x 100 = -81.99%
Formula
Percentage change = [(139 - 772) / 772] x 100
Subtract the new number by the original number
139 - 772 = -633
-633 ÷ 772 = -0.8199481865284974
-0.8199481865284974 x 100 = -81.99%