91.75% is the change from 315 to 604
Calculation steps:
[( 604 - 315 ) ÷ 315] x 100 = 91.75%
Formula
Percentage change = [(604 - 315) / 315] x 100
Subtract the new number by the original number
604 - 315 = 289
289 ÷ 315 = 0.9174603174603174
0.9174603174603174 x 100 = 91.75%