214.29% is the change from 140 to 440
Calculation steps:
[( 440 - 140 ) ÷ 140] x 100 = 214.29%
Formula
Percentage change = [(440 - 140) / 140] x 100
Subtract the new number by the original number
440 - 140 = 300
300 ÷ 140 = 2.142857142857143
2.142857142857143 x 100 = 214.29%