27233.33% is the change from 3 to 820
Calculation steps:
[( 820 - 3 ) ÷ 3] x 100 = 27233.33%
Formula
Percentage change = [(820 - 3) / 3] x 100
Subtract the new number by the original number
820 - 3 = 817
817 ÷ 3 = 272.3333333333333
272.3333333333333 x 100 = 27233.33%