158.25% is the change from 309 to 798
Calculation steps:
[( 798 - 309 ) ÷ 309] x 100 = 158.25%
Formula
Percentage change = [(798 - 309) / 309] x 100
Subtract the new number by the original number
798 - 309 = 489
489 ÷ 309 = 1.5825242718446602
1.5825242718446602 x 100 = 158.25%