0.33% is the change from 306 to 307
Calculation steps:
[( 307 - 306 ) ÷ 306] x 100 = 0.33%
Formula
Percentage change = [(307 - 306) / 306] x 100
Subtract the new number by the original number
307 - 306 = 1
1 ÷ 306 = 0.0032679738562091504
0.0032679738562091504 x 100 = 0.33%