25.64% is the change from 78 to 98
Calculation steps:
[( 98 - 78 ) ÷ 78] x 100 = 25.64%
Formula
Percentage change = [(98 - 78) / 78] x 100
Subtract the new number by the original number
98 - 78 = 20
20 ÷ 78 = 0.2564102564102564
0.2564102564102564 x 100 = 25.64%