-16.49% is the change from 667 to 557
Calculation steps:
[( 557 - 667 ) ÷ 667] x 100 = -16.49%
Formula
Percentage change = [(557 - 667) / 667] x 100
Subtract the new number by the original number
557 - 667 = -110
-110 ÷ 667 = -0.16491754122938532
-0.16491754122938532 x 100 = -16.49%