27.27% is the change from 77 to 98
Calculation steps:
[( 98 - 77 ) ÷ 77] x 100 = 27.27%
Formula
Percentage change = [(98 - 77) / 77] x 100
Subtract the new number by the original number
98 - 77 = 21
21 ÷ 77 = 0.2727272727272727
0.2727272727272727 x 100 = 27.27%