4.08% is the change from 98 to 102
Calculation steps:
[( 102 - 98 ) ÷ 98] x 100 = 4.08%
Formula
Percentage change = [(102 - 98) / 98] x 100
Subtract the new number by the original number
102 - 98 = 4
4 ÷ 98 = 0.04081632653061224
0.04081632653061224 x 100 = 4.08%