-38.47% is the change from 668 to 411
Calculation steps:
[( 411 - 668 ) ÷ 668] x 100 = -38.47%
Formula
Percentage change = [(411 - 668) / 668] x 100
Subtract the new number by the original number
411 - 668 = -257
-257 ÷ 668 = -0.3847305389221557
-0.3847305389221557 x 100 = -38.47%