26.25% is the change from 80 to 101
Calculation steps:
[( 101 - 80 ) ÷ 80] x 100 = 26.25%
Formula
Percentage change = [(101 - 80) / 80] x 100
Subtract the new number by the original number
101 - 80 = 21
21 ÷ 80 = 0.2625
0.2625 x 100 = 26.25%
Example