0.32% is the change from 310 to 311
Calculation steps:
[( 311 - 310 ) ÷ 310] x 100 = 0.32%
Formula
Percentage change = [(311 - 310) / 310] x 100
Subtract the new number by the original number
311 - 310 = 1
1 ÷ 310 = 0.0032258064516129032
0.0032258064516129032 x 100 = 0.32%