48.15% is the change from 54 to 80
Calculation steps:
[( 80 - 54 ) ÷ 54] x 100 = 48.15%
Formula
Percentage change = [(80 - 54) / 54] x 100
Subtract the new number by the original number
80 - 54 = 26
26 ÷ 54 = 0.48148148148148145
0.48148148148148145 x 100 = 48.15%