77500% is the change from 1 to 776
Calculation steps:
[( 776 - 1 ) ÷ 1] x 100 = 77500%
Formula
Percentage change = [(776 - 1) / 1] x 100
Subtract the new number by the original number
776 - 1 = 775
775 ÷ 1 = 775
775 x 100 = 77500%
Example