512.23% is the change from 139 to 851
Calculation steps:
[( 851 - 139 ) ÷ 139] x 100 = 512.23%
Formula
Percentage change = [(851 - 139) / 139] x 100
Subtract the new number by the original number
851 - 139 = 712
712 ÷ 139 = 5.122302158273381
5.122302158273381 x 100 = 512.23%