224% is the change from 25 to 81
Calculation steps:
[( 81 - 25 ) ÷ 25] x 100 = 224%
Formula
Percentage change = [(81 - 25) / 25] x 100
Subtract the new number by the original number
81 - 25 = 56
56 ÷ 25 = 2.24
2.24 x 100 = 224%
Example