395.24% is the change from 21 to 104
Calculation steps:
[( 104 - 21 ) ÷ 21] x 100 = 395.24%
Formula
Percentage change = [(104 - 21) / 21] x 100
Subtract the new number by the original number
104 - 21 = 83
83 ÷ 21 = 3.9523809523809526
3.9523809523809526 x 100 = 395.24%