-24.89% is the change from 667 to 501
Calculation steps:
[( 501 - 667 ) ÷ 667] x 100 = -24.89%
Formula
Percentage change = [(501 - 667) / 667] x 100
Subtract the new number by the original number
501 - 667 = -166
-166 ÷ 667 = -0.24887556221889057
-0.24887556221889057 x 100 = -24.89%