1636.73% is the change from 49 to 851
Calculation steps:
[( 851 - 49 ) ÷ 49] x 100 = 1636.73%
Formula
Percentage change = [(851 - 49) / 49] x 100
Subtract the new number by the original number
851 - 49 = 802
802 ÷ 49 = 16.367346938775512
16.367346938775512 x 100 = 1636.73%