191.91% is the change from 309 to 902
Calculation steps:
[( 902 - 309 ) ÷ 309] x 100 = 191.91%
Formula
Percentage change = [(902 - 309) / 309] x 100
Subtract the new number by the original number
902 - 309 = 593
593 ÷ 309 = 1.919093851132686
1.919093851132686 x 100 = 191.91%