92.88% is the change from 309 to 596
Calculation steps:
[( 596 - 309 ) ÷ 309] x 100 = 92.88%
Formula
Percentage change = [(596 - 309) / 309] x 100
Subtract the new number by the original number
596 - 309 = 287
287 ÷ 309 = 0.9288025889967637
0.9288025889967637 x 100 = 92.88%