62.95% is the change from 305 to 497
Calculation steps:
[( 497 - 305 ) ÷ 305] x 100 = 62.95%
Formula
Percentage change = [(497 - 305) / 305] x 100
Subtract the new number by the original number
497 - 305 = 192
192 ÷ 305 = 0.6295081967213115
0.6295081967213115 x 100 = 62.95%