1421.57% is the change from 51 to 776
Calculation steps:
[( 776 - 51 ) ÷ 51] x 100 = 1421.57%
Formula
Percentage change = [(776 - 51) / 51] x 100
Subtract the new number by the original number
776 - 51 = 725
725 ÷ 51 = 14.215686274509803
14.215686274509803 x 100 = 1421.57%