1638.3% is the change from 47 to 817
Calculation steps:
[( 817 - 47 ) ÷ 47] x 100 = 1638.3%
Formula
Percentage change = [(817 - 47) / 47] x 100
Subtract the new number by the original number
817 - 47 = 770
770 ÷ 47 = 16.382978723404257
16.382978723404257 x 100 = 1638.3%