157.76% is the change from 322 to 830
Calculation steps:
[( 830 - 322 ) ÷ 322] x 100 = 157.76%
Formula
Percentage change = [(830 - 322) / 322] x 100
Subtract the new number by the original number
830 - 322 = 508
508 ÷ 322 = 1.5776397515527951
1.5776397515527951 x 100 = 157.76%