97.4% is the change from 154 to 304
Calculation steps:
[( 304 - 154 ) ÷ 154] x 100 = 97.4%
Formula
Percentage change = [(304 - 154) / 154] x 100
Subtract the new number by the original number
304 - 154 = 150
150 ÷ 154 = 0.974025974025974
0.974025974025974 x 100 = 97.4%