40.35% is the change from 57 to 80
Calculation steps:
[( 80 - 57 ) ÷ 57] x 100 = 40.35%
Formula
Percentage change = [(80 - 57) / 57] x 100
Subtract the new number by the original number
80 - 57 = 23
23 ÷ 57 = 0.40350877192982454
0.40350877192982454 x 100 = 40.35%