4.99% is the change from 601 to 631
Calculation steps:
[( 631 - 601 ) ÷ 601] x 100 = 4.99%
Formula
Percentage change = [(631 - 601) / 601] x 100
Subtract the new number by the original number
631 - 601 = 30
30 ÷ 601 = 0.04991680532445923
0.04991680532445923 x 100 = 4.99%