531.71% is the change from 123 to 777
Calculation steps:
[( 777 - 123 ) ÷ 123] x 100 = 531.71%
Formula
Percentage change = [(777 - 123) / 123] x 100
Subtract the new number by the original number
777 - 123 = 654
654 ÷ 123 = 5.317073170731708
5.317073170731708 x 100 = 531.71%