56.25% is the change from 16 to 25
Calculation steps:
[( 25 - 16 ) ÷ 16] x 100 = 56.25%
Formula
Percentage change = [(25 - 16) / 16] x 100
Subtract the new number by the original number
25 - 16 = 9
9 ÷ 16 = 0.5625
0.5625 x 100 = 56.25%
Example