85.19% is the change from 54 to 100
Calculation steps:
[( 100 - 54 ) ÷ 54] x 100 = 85.19%
Formula
Percentage change = [(100 - 54) / 54] x 100
Subtract the new number by the original number
100 - 54 = 46
46 ÷ 54 = 0.8518518518518519
0.8518518518518519 x 100 = 85.19%