4.3% is the change from 605 to 631
Calculation steps:
[( 631 - 605 ) ÷ 605] x 100 = 4.3%
Formula
Percentage change = [(631 - 605) / 605] x 100
Subtract the new number by the original number
631 - 605 = 26
26 ÷ 605 = 0.04297520661157025
0.04297520661157025 x 100 = 4.3%