0.65% is the change from 306 to 308
Calculation steps:
[( 308 - 306 ) ÷ 306] x 100 = 0.65%
Formula
Percentage change = [(308 - 306) / 306] x 100
Subtract the new number by the original number
308 - 306 = 2
2 ÷ 306 = 0.006535947712418301
0.006535947712418301 x 100 = 0.65%