93.33% is the change from 315 to 609
Calculation steps:
[( 609 - 315 ) ÷ 315] x 100 = 93.33%
Formula
Percentage change = [(609 - 315) / 315] x 100
Subtract the new number by the original number
609 - 315 = 294
294 ÷ 315 = 0.9333333333333333
0.9333333333333333 x 100 = 93.33%