214.29% is the change from 98 to 308
Calculation steps:
[( 308 - 98 ) ÷ 98] x 100 = 214.29%
Formula
Percentage change = [(308 - 98) / 98] x 100
Subtract the new number by the original number
308 - 98 = 210
210 ÷ 98 = 2.142857142857143
2.142857142857143 x 100 = 214.29%