158.13% is the change from 320 to 826
Calculation steps:
[( 826 - 320 ) ÷ 320] x 100 = 158.13%
Formula
Percentage change = [(826 - 320) / 320] x 100
Subtract the new number by the original number
826 - 320 = 506
506 ÷ 320 = 1.58125
1.58125 x 100 = 158.13%