-82.34% is the change from 668 to 118
Calculation steps:
[( 118 - 668 ) ÷ 668] x 100 = -82.34%
Formula
Percentage change = [(118 - 668) / 668] x 100
Subtract the new number by the original number
118 - 668 = -550
-550 ÷ 668 = -0.8233532934131736
-0.8233532934131736 x 100 = -82.34%