513.49% is the change from 126 to 773
Calculation steps:
[( 773 - 126 ) ÷ 126] x 100 = 513.49%
Formula
Percentage change = [(773 - 126) / 126] x 100
Subtract the new number by the original number
773 - 126 = 647
647 ÷ 126 = 5.134920634920635
5.134920634920635 x 100 = 513.49%