425.64% is the change from 156 to 820
Calculation steps:
[( 820 - 156 ) ÷ 156] x 100 = 425.64%
Formula
Percentage change = [(820 - 156) / 156] x 100
Subtract the new number by the original number
820 - 156 = 664
664 ÷ 156 = 4.256410256410256
4.256410256410256 x 100 = 425.64%