1398.15% is the change from 54 to 809
Calculation steps:
[( 809 - 54 ) ÷ 54] x 100 = 1398.15%
Formula
Percentage change = [(809 - 54) / 54] x 100
Subtract the new number by the original number
809 - 54 = 755
755 ÷ 54 = 13.981481481481481
13.981481481481481 x 100 = 1398.15%