-21.39% is the change from 776 to 610
Calculation steps:
[( 610 - 776 ) ÷ 776] x 100 = -21.39%
Formula
Percentage change = [(610 - 776) / 776] x 100
Subtract the new number by the original number
610 - 776 = -166
-166 ÷ 776 = -0.21391752577319587
-0.21391752577319587 x 100 = -21.39%