170.78% is the change from 308 to 834
Calculation steps:
[( 834 - 308 ) ÷ 308] x 100 = 170.78%
Formula
Percentage change = [(834 - 308) / 308] x 100
Subtract the new number by the original number
834 - 308 = 526
526 ÷ 308 = 1.7077922077922079
1.7077922077922079 x 100 = 170.78%