109.38% is the change from 288 to 603
Calculation steps:
[( 603 - 288 ) ÷ 288] x 100 = 109.38%
Formula
Percentage change = [(603 - 288) / 288] x 100
Subtract the new number by the original number
603 - 288 = 315
315 ÷ 288 = 1.09375
1.09375 x 100 = 109.38%