1503.92% is the change from 51 to 818
Calculation steps:
[( 818 - 51 ) ÷ 51] x 100 = 1503.92%
Formula
Percentage change = [(818 - 51) / 51] x 100
Subtract the new number by the original number
818 - 51 = 767
767 ÷ 51 = 15.03921568627451
15.03921568627451 x 100 = 1503.92%