1270.59% is the change from 51 to 699
Calculation steps:
[( 699 - 51 ) ÷ 51] x 100 = 1270.59%
Formula
Percentage change = [(699 - 51) / 51] x 100
Subtract the new number by the original number
699 - 51 = 648
648 ÷ 51 = 12.705882352941176
12.705882352941176 x 100 = 1270.59%