3480.95% is the change from 21 to 752
Calculation steps:
[( 752 - 21 ) ÷ 21] x 100 = 3480.95%
Formula
Percentage change = [(752 - 21) / 21] x 100
Subtract the new number by the original number
752 - 21 = 731
731 ÷ 21 = 34.80952380952381
34.80952380952381 x 100 = 3480.95%