-12.66% is the change from 766 to 669
Calculation steps:
[( 669 - 766 ) ÷ 766] x 100 = -12.66%
Formula
Percentage change = [(669 - 766) / 766] x 100
Subtract the new number by the original number
669 - 766 = -97
-97 ÷ 766 = -0.12663185378590078
-0.12663185378590078 x 100 = -12.66%