-33.63% is the change from 666 to 442
Calculation steps:
[( 442 - 666 ) ÷ 666] x 100 = -33.63%
Formula
Percentage change = [(442 - 666) / 666] x 100
Subtract the new number by the original number
442 - 666 = -224
-224 ÷ 666 = -0.33633633633633636
-0.33633633633633636 x 100 = -33.63%