102.33% is the change from 301 to 609
Calculation steps:
[( 609 - 301 ) ÷ 301] x 100 = 102.33%
Formula
Percentage change = [(609 - 301) / 301] x 100
Subtract the new number by the original number
609 - 301 = 308
308 ÷ 301 = 1.0232558139534884
1.0232558139534884 x 100 = 102.33%