1568.63% is the change from 51 to 851
Calculation steps:
[( 851 - 51 ) ÷ 51] x 100 = 1568.63%
Formula
Percentage change = [(851 - 51) / 51] x 100
Subtract the new number by the original number
851 - 51 = 800
800 ÷ 51 = 15.686274509803921
15.686274509803921 x 100 = 1568.63%