-14.94% is the change from 783 to 666
Calculation steps:
[( 666 - 783 ) ÷ 783] x 100 = -14.94%
Formula
Percentage change = [(666 - 783) / 783] x 100
Subtract the new number by the original number
666 - 783 = -117
-117 ÷ 783 = -0.14942528735632185
-0.14942528735632185 x 100 = -14.94%