-27.14% is the change from 667 to 486
Calculation steps:
[( 486 - 667 ) ÷ 667] x 100 = -27.14%
Formula
Percentage change = [(486 - 667) / 667] x 100
Subtract the new number by the original number
486 - 667 = -181
-181 ÷ 667 = -0.27136431784107945
-0.27136431784107945 x 100 = -27.14%