-57.78% is the change from 668 to 282
Calculation steps:
[( 282 - 668 ) ÷ 668] x 100 = -57.78%
Formula
Percentage change = [(282 - 668) / 668] x 100
Subtract the new number by the original number
282 - 668 = -386
-386 ÷ 668 = -0.5778443113772455
-0.5778443113772455 x 100 = -57.78%