487.79% is the change from 131 to 770
Calculation steps:
[( 770 - 131 ) ÷ 131] x 100 = 487.79%
Formula
Percentage change = [(770 - 131) / 131] x 100
Subtract the new number by the original number
770 - 131 = 639
639 ÷ 131 = 4.877862595419847
4.877862595419847 x 100 = 487.79%