275.71% is the change from 140 to 526
Calculation steps:
[( 526 - 140 ) ÷ 140] x 100 = 275.71%
Formula
Percentage change = [(526 - 140) / 140] x 100
Subtract the new number by the original number
526 - 140 = 386
386 ÷ 140 = 2.757142857142857
2.757142857142857 x 100 = 275.71%