407.88% is the change from 165 to 838
Calculation steps:
[( 838 - 165 ) ÷ 165] x 100 = 407.88%
Formula
Percentage change = [(838 - 165) / 165] x 100
Subtract the new number by the original number
838 - 165 = 673
673 ÷ 165 = 4.078787878787879
4.078787878787879 x 100 = 407.88%