51.08% is the change from 603 to 911
Calculation steps:
[( 911 - 603 ) ÷ 603] x 100 = 51.08%
Formula
Percentage change = [(911 - 603) / 603] x 100
Subtract the new number by the original number
911 - 603 = 308
308 ÷ 603 = 0.5107794361525705
0.5107794361525705 x 100 = 51.08%