70.14% is the change from 355 to 604
Calculation steps:
[( 604 - 355 ) ÷ 355] x 100 = 70.14%
Formula
Percentage change = [(604 - 355) / 355] x 100
Subtract the new number by the original number
604 - 355 = 249
249 ÷ 355 = 0.7014084507042253
0.7014084507042253 x 100 = 70.14%