131.03% is the change from 261 to 603
Calculation steps:
[( 603 - 261 ) ÷ 261] x 100 = 131.03%
Formula
Percentage change = [(603 - 261) / 261] x 100
Subtract the new number by the original number
603 - 261 = 342
342 ÷ 261 = 1.3103448275862069
1.3103448275862069 x 100 = 131.03%