275% is the change from 140 to 525
Calculation steps:
[( 525 - 140 ) ÷ 140] x 100 = 275%
Formula
Percentage change = [(525 - 140) / 140] x 100
Subtract the new number by the original number
525 - 140 = 385
385 ÷ 140 = 2.75
2.75 x 100 = 275%
Example