100.33% is the change from 303 to 607
Calculation steps:
[( 607 - 303 ) ÷ 303] x 100 = 100.33%
Formula
Percentage change = [(607 - 303) / 303] x 100
Subtract the new number by the original number
607 - 303 = 304
304 ÷ 303 = 1.0033003300330032
1.0033003300330032 x 100 = 100.33%