174.34% is the change from 304 to 834
Calculation steps:
[( 834 - 304 ) ÷ 304] x 100 = 174.34%
Formula
Percentage change = [(834 - 304) / 304] x 100
Subtract the new number by the original number
834 - 304 = 530
530 ÷ 304 = 1.743421052631579
1.743421052631579 x 100 = 174.34%