0.65% is the change from 308 to 310
Calculation steps:
[( 310 - 308 ) ÷ 308] x 100 = 0.65%
Formula
Percentage change = [(310 - 308) / 308] x 100
Subtract the new number by the original number
310 - 308 = 2
2 ÷ 308 = 0.006493506493506494
0.006493506493506494 x 100 = 0.65%