112.5% is the change from 280 to 595
Calculation steps:
[( 595 - 280 ) ÷ 280] x 100 = 112.5%
Formula
Percentage change = [(595 - 280) / 280] x 100
Subtract the new number by the original number
595 - 280 = 315
315 ÷ 280 = 1.125
1.125 x 100 = 112.5%
Example