160.63% is the change from 320 to 834
Calculation steps:
[( 834 - 320 ) ÷ 320] x 100 = 160.63%
Formula
Percentage change = [(834 - 320) / 320] x 100
Subtract the new number by the original number
834 - 320 = 514
514 ÷ 320 = 1.60625
1.60625 x 100 = 160.63%