156.17% is the change from 324 to 830
Calculation steps:
[( 830 - 324 ) ÷ 324] x 100 = 156.17%
Formula
Percentage change = [(830 - 324) / 324] x 100
Subtract the new number by the original number
830 - 324 = 506
506 ÷ 324 = 1.5617283950617284
1.5617283950617284 x 100 = 156.17%