-15.14% is the change from 667 to 566
Calculation steps:
[( 566 - 667 ) ÷ 667] x 100 = -15.14%
Formula
Percentage change = [(566 - 667) / 667] x 100
Subtract the new number by the original number
566 - 667 = -101
-101 ÷ 667 = -0.15142428785607195
-0.15142428785607195 x 100 = -15.14%