173.44% is the change from 305 to 834
Calculation steps:
[( 834 - 305 ) ÷ 305] x 100 = 173.44%
Formula
Percentage change = [(834 - 305) / 305] x 100
Subtract the new number by the original number
834 - 305 = 529
529 ÷ 305 = 1.7344262295081967
1.7344262295081967 x 100 = 173.44%