-15.89% is the change from 667 to 561
Calculation steps:
[( 561 - 667 ) ÷ 667] x 100 = -15.89%
Formula
Percentage change = [(561 - 667) / 667] x 100
Subtract the new number by the original number
561 - 667 = -106
-106 ÷ 667 = -0.15892053973013492
-0.15892053973013492 x 100 = -15.89%