120% is the change from 245 to 539
Calculation steps:
[( 539 - 245 ) ÷ 245] x 100 = 120%
Formula
Percentage change = [(539 - 245) / 245] x 100
Subtract the new number by the original number
539 - 245 = 294
294 ÷ 245 = 1.2
1.2 x 100 = 120%
Example