3300% is the change from 21 to 714
Calculation steps:
[( 714 - 21 ) ÷ 21] x 100 = 3300%
Formula
Percentage change = [(714 - 21) / 21] x 100
Subtract the new number by the original number
714 - 21 = 693
693 ÷ 21 = 33
33 x 100 = 3300%
Example