268.57% is the change from 140 to 516
Calculation steps:
[( 516 - 140 ) ÷ 140] x 100 = 268.57%
Formula
Percentage change = [(516 - 140) / 140] x 100
Subtract the new number by the original number
516 - 140 = 376
376 ÷ 140 = 2.6857142857142855
2.6857142857142855 x 100 = 268.57%