377.14% is the change from 140 to 668
Calculation steps:
[( 668 - 140 ) ÷ 140] x 100 = 377.14%
Formula
Percentage change = [(668 - 140) / 140] x 100
Subtract the new number by the original number
668 - 140 = 528
528 ÷ 140 = 3.7714285714285714
3.7714285714285714 x 100 = 377.14%