153.09% is the change from 324 to 820
Calculation steps:
[( 820 - 324 ) ÷ 324] x 100 = 153.09%
Formula
Percentage change = [(820 - 324) / 324] x 100
Subtract the new number by the original number
820 - 324 = 496
496 ÷ 324 = 1.5308641975308641
1.5308641975308641 x 100 = 153.09%