-13.19% is the change from 766 to 665
Calculation steps:
[( 665 - 766 ) ÷ 766] x 100 = -13.19%
Formula
Percentage change = [(665 - 766) / 766] x 100
Subtract the new number by the original number
665 - 766 = -101
-101 ÷ 766 = -0.13185378590078328
-0.13185378590078328 x 100 = -13.19%