375.71% is the change from 140 to 666
Calculation steps:
[( 666 - 140 ) ÷ 140] x 100 = 375.71%
Formula
Percentage change = [(666 - 140) / 140] x 100
Subtract the new number by the original number
666 - 140 = 526
526 ÷ 140 = 3.757142857142857
3.757142857142857 x 100 = 375.71%