1665.31% is the change from 49 to 865
Calculation steps:
[( 865 - 49 ) ÷ 49] x 100 = 1665.31%
Formula
Percentage change = [(865 - 49) / 49] x 100
Subtract the new number by the original number
865 - 49 = 816
816 ÷ 49 = 16.653061224489797
16.653061224489797 x 100 = 1665.31%