3409.52% is the change from 21 to 737
Calculation steps:
[( 737 - 21 ) ÷ 21] x 100 = 3409.52%
Formula
Percentage change = [(737 - 21) / 21] x 100
Subtract the new number by the original number
737 - 21 = 716
716 ÷ 21 = 34.095238095238095
34.095238095238095 x 100 = 3409.52%