3376.19% is the change from 21 to 730
Calculation steps:
[( 730 - 21 ) ÷ 21] x 100 = 3376.19%
Formula
Percentage change = [(730 - 21) / 21] x 100
Subtract the new number by the original number
730 - 21 = 709
709 ÷ 21 = 33.76190476190476
33.76190476190476 x 100 = 3376.19%