267.86% is the change from 140 to 515
Calculation steps:
[( 515 - 140 ) ÷ 140] x 100 = 267.86%
Formula
Percentage change = [(515 - 140) / 140] x 100
Subtract the new number by the original number
515 - 140 = 375
375 ÷ 140 = 2.6785714285714284
2.6785714285714284 x 100 = 267.86%