1313.73% is the change from 51 to 721
Calculation steps:
[( 721 - 51 ) ÷ 51] x 100 = 1313.73%
Formula
Percentage change = [(721 - 51) / 51] x 100
Subtract the new number by the original number
721 - 51 = 670
670 ÷ 51 = 13.137254901960784
13.137254901960784 x 100 = 1313.73%