155.99% is the change from 309 to 791
Calculation steps:
[( 791 - 309 ) ÷ 309] x 100 = 155.99%
Formula
Percentage change = [(791 - 309) / 309] x 100
Subtract the new number by the original number
791 - 309 = 482
482 ÷ 309 = 1.5598705501618122
1.5598705501618122 x 100 = 155.99%