-11.39% is the change from 667 to 591
Calculation steps:
[( 591 - 667 ) ÷ 667] x 100 = -11.39%
Formula
Percentage change = [(591 - 667) / 667] x 100
Subtract the new number by the original number
591 - 667 = -76
-76 ÷ 667 = -0.11394302848575712
-0.11394302848575712 x 100 = -11.39%