242.86% is the change from 140 to 480
Calculation steps:
[( 480 - 140 ) ÷ 140] x 100 = 242.86%
Formula
Percentage change = [(480 - 140) / 140] x 100
Subtract the new number by the original number
480 - 140 = 340
340 ÷ 140 = 2.4285714285714284
2.4285714285714284 x 100 = 242.86%