638.3% is the change from 47 to 347
Calculation steps:
[( 347 - 47 ) ÷ 47] x 100 = 638.3%
Formula
Percentage change = [(347 - 47) / 47] x 100
Subtract the new number by the original number
347 - 47 = 300
300 ÷ 47 = 6.382978723404255
6.382978723404255 x 100 = 638.3%