512.7% is the change from 126 to 772
Calculation steps:
[( 772 - 126 ) ÷ 126] x 100 = 512.7%
Formula
Percentage change = [(772 - 126) / 126] x 100
Subtract the new number by the original number
772 - 126 = 646
646 ÷ 126 = 5.126984126984127
5.126984126984127 x 100 = 512.7%