-12.83% is the change from 764 to 666
Calculation steps:
[( 666 - 764 ) ÷ 764] x 100 = -12.83%
Formula
Percentage change = [(666 - 764) / 764] x 100
Subtract the new number by the original number
666 - 764 = -98
-98 ÷ 764 = -0.12827225130890052
-0.12827225130890052 x 100 = -12.83%