197.04% is the change from 203 to 603
Calculation steps:
[( 603 - 203 ) ÷ 203] x 100 = 197.04%
Formula
Percentage change = [(603 - 203) / 203] x 100
Subtract the new number by the original number
603 - 203 = 400
400 ÷ 203 = 1.9704433497536946
1.9704433497536946 x 100 = 197.04%