102.35% is the change from 298 to 603
Calculation steps:
[( 603 - 298 ) ÷ 298] x 100 = 102.35%
Formula
Percentage change = [(603 - 298) / 298] x 100
Subtract the new number by the original number
603 - 298 = 305
305 ÷ 298 = 1.023489932885906
1.023489932885906 x 100 = 102.35%