-15.27% is the change from 766 to 649
Calculation steps:
[( 649 - 766 ) ÷ 766] x 100 = -15.27%
Formula
Percentage change = [(649 - 766) / 766] x 100
Subtract the new number by the original number
649 - 766 = -117
-117 ÷ 766 = -0.15274151436031333
-0.15274151436031333 x 100 = -15.27%