516.8% is the change from 125 to 771
Calculation steps:
[( 771 - 125 ) ÷ 125] x 100 = 516.8%
Formula
Percentage change = [(771 - 125) / 125] x 100
Subtract the new number by the original number
771 - 125 = 646
646 ÷ 125 = 5.168
5.168 x 100 = 516.8%
Example