-82.09% is the change from 776 to 139
Calculation steps:
[( 139 - 776 ) ÷ 776] x 100 = -82.09%
Formula
Percentage change = [(139 - 776) / 776] x 100
Subtract the new number by the original number
139 - 776 = -637
-637 ÷ 776 = -0.8208762886597938
-0.8208762886597938 x 100 = -82.09%