54.62% is the change from 498 to 770
Calculation steps:
[( 770 - 498 ) ÷ 498] x 100 = 54.62%
Formula
Percentage change = [(770 - 498) / 498] x 100
Subtract the new number by the original number
770 - 498 = 272
272 ÷ 498 = 0.5461847389558233
0.5461847389558233 x 100 = 54.62%