1.63% is the change from 306 to 311
Calculation steps:
[( 311 - 306 ) ÷ 306] x 100 = 1.63%
Formula
Percentage change = [(311 - 306) / 306] x 100
Subtract the new number by the original number
311 - 306 = 5
5 ÷ 306 = 0.016339869281045753
0.016339869281045753 x 100 = 1.63%