517.46% is the change from 126 to 778
Calculation steps:
[( 778 - 126 ) ÷ 126] x 100 = 517.46%
Formula
Percentage change = [(778 - 126) / 126] x 100
Subtract the new number by the original number
778 - 126 = 652
652 ÷ 126 = 5.174603174603175
5.174603174603175 x 100 = 517.46%