488.49% is the change from 139 to 818
Calculation steps:
[( 818 - 139 ) ÷ 139] x 100 = 488.49%
Formula
Percentage change = [(818 - 139) / 139] x 100
Subtract the new number by the original number
818 - 139 = 679
679 ÷ 139 = 4.884892086330935
4.884892086330935 x 100 = 488.49%