86.21% is the change from 29 to 54
Calculation steps:
[( 54 - 29 ) ÷ 29] x 100 = 86.21%
Formula
Percentage change = [(54 - 29) / 29] x 100
Subtract the new number by the original number
54 - 29 = 25
25 ÷ 29 = 0.8620689655172413
0.8620689655172413 x 100 = 86.21%