51.02% is the change from 98 to 148
Calculation steps:
[( 148 - 98 ) ÷ 98] x 100 = 51.02%
Formula
Percentage change = [(148 - 98) / 98] x 100
Subtract the new number by the original number
148 - 98 = 50
50 ÷ 98 = 0.5102040816326531
0.5102040816326531 x 100 = 51.02%