96.08% is the change from 306 to 600
Calculation steps:
[( 600 - 306 ) ÷ 306] x 100 = 96.08%
Formula
Percentage change = [(600 - 306) / 306] x 100
Subtract the new number by the original number
600 - 306 = 294
294 ÷ 306 = 0.9607843137254902
0.9607843137254902 x 100 = 96.08%