55.56% is the change from 495 to 770
Calculation steps:
[( 770 - 495 ) ÷ 495] x 100 = 55.56%
Formula
Percentage change = [(770 - 495) / 495] x 100
Subtract the new number by the original number
770 - 495 = 275
275 ÷ 495 = 0.5555555555555556
0.5555555555555556 x 100 = 55.56%