520.8% is the change from 125 to 776
Calculation steps:
[( 776 - 125 ) ÷ 125] x 100 = 520.8%
Formula
Percentage change = [(776 - 125) / 125] x 100
Subtract the new number by the original number
776 - 125 = 651
651 ÷ 125 = 5.208
5.208 x 100 = 520.8%
Example