158.26% is the change from 321 to 829
Calculation steps:
[( 829 - 321 ) ÷ 321] x 100 = 158.26%
Formula
Percentage change = [(829 - 321) / 321] x 100
Subtract the new number by the original number
829 - 321 = 508
508 ÷ 321 = 1.5825545171339563
1.5825545171339563 x 100 = 158.26%