80.3% is the change from 335 to 604
Calculation steps:
[( 604 - 335 ) ÷ 335] x 100 = 80.3%
Formula
Percentage change = [(604 - 335) / 335] x 100
Subtract the new number by the original number
604 - 335 = 269
269 ÷ 335 = 0.8029850746268656
0.8029850746268656 x 100 = 80.3%