106.25% is the change from 240 to 495
Calculation steps:
[( 495 - 240 ) ÷ 240] x 100 = 106.25%
Formula
Percentage change = [(495 - 240) / 240] x 100
Subtract the new number by the original number
495 - 240 = 255
255 ÷ 240 = 1.0625
1.0625 x 100 = 106.25%