1287.5% is the change from 56 to 777
Calculation steps:
[( 777 - 56 ) ÷ 56] x 100 = 1287.5%
Formula
Percentage change = [(777 - 56) / 56] x 100
Subtract the new number by the original number
777 - 56 = 721
721 ÷ 56 = 12.875
12.875 x 100 = 1287.5%
Example