72.78% is the change from 349 to 603
Calculation steps:
[( 603 - 349 ) ÷ 349] x 100 = 72.78%
Formula
Percentage change = [(603 - 349) / 349] x 100
Subtract the new number by the original number
603 - 349 = 254
254 ÷ 349 = 0.7277936962750716
0.7277936962750716 x 100 = 72.78%