99.34% is the change from 304 to 606
Calculation steps:
[( 606 - 304 ) ÷ 304] x 100 = 99.34%
Formula
Percentage change = [(606 - 304) / 304] x 100
Subtract the new number by the original number
606 - 304 = 302
302 ÷ 304 = 0.993421052631579
0.993421052631579 x 100 = 99.34%