237.78% is the change from 90 to 304
Calculation steps:
[( 304 - 90 ) ÷ 90] x 100 = 237.78%
Formula
Percentage change = [(304 - 90) / 90] x 100
Subtract the new number by the original number
304 - 90 = 214
214 ÷ 90 = 2.3777777777777778
2.3777777777777778 x 100 = 237.78%