173.45% is the change from 113 to 309
Calculation steps:
[( 309 - 113 ) ÷ 113] x 100 = 173.45%
Formula
Percentage change = [(309 - 113) / 113] x 100
Subtract the new number by the original number
309 - 113 = 196
196 ÷ 113 = 1.7345132743362832
1.7345132743362832 x 100 = 173.45%