160% is the change from 320 to 832
Calculation steps:
[( 832 - 320 ) ÷ 320] x 100 = 160%
Formula
Percentage change = [(832 - 320) / 320] x 100
Subtract the new number by the original number
832 - 320 = 512
512 ÷ 320 = 1.6
1.6 x 100 = 160%
Example