-18.14% is the change from 667 to 546
Calculation steps:
[( 546 - 667 ) ÷ 667] x 100 = -18.14%
Formula
Percentage change = [(546 - 667) / 667] x 100
Subtract the new number by the original number
546 - 667 = -121
-121 ÷ 667 = -0.18140929535232383
-0.18140929535232383 x 100 = -18.14%