98.36% is the change from 304 to 603
Calculation steps:
[( 603 - 304 ) ÷ 304] x 100 = 98.36%
Formula
Percentage change = [(603 - 304) / 304] x 100
Subtract the new number by the original number
603 - 304 = 299
299 ÷ 304 = 0.9835526315789473
0.9835526315789473 x 100 = 98.36%