-18.44% is the change from 667 to 544
Calculation steps:
[( 544 - 667 ) ÷ 667] x 100 = -18.44%
Formula
Percentage change = [(544 - 667) / 667] x 100
Subtract the new number by the original number
544 - 667 = -123
-123 ÷ 667 = -0.18440779610194902
-0.18440779610194902 x 100 = -18.44%