260% is the change from 140 to 504
Calculation steps:
[( 504 - 140 ) ÷ 140] x 100 = 260%
Formula
Percentage change = [(504 - 140) / 140] x 100
Subtract the new number by the original number
504 - 140 = 364
364 ÷ 140 = 2.6
2.6 x 100 = 260%
Example