-26.13% is the change from 666 to 492
Calculation steps:
[( 492 - 666 ) ÷ 666] x 100 = -26.13%
Formula
Percentage change = [(492 - 666) / 666] x 100
Subtract the new number by the original number
492 - 666 = -174
-174 ÷ 666 = -0.26126126126126126
-0.26126126126126126 x 100 = -26.13%