169.58% is the change from 309 to 833
Calculation steps:
[( 833 - 309 ) ÷ 309] x 100 = 169.58%
Formula
Percentage change = [(833 - 309) / 309] x 100
Subtract the new number by the original number
833 - 309 = 524
524 ÷ 309 = 1.6957928802588997
1.6957928802588997 x 100 = 169.58%