-18.74% is the change from 667 to 542
Calculation steps:
[( 542 - 667 ) ÷ 667] x 100 = -18.74%
Formula
Percentage change = [(542 - 667) / 667] x 100
Subtract the new number by the original number
542 - 667 = -125
-125 ÷ 667 = -0.1874062968515742
-0.1874062968515742 x 100 = -18.74%