42.06% is the change from 214 to 304
Calculation steps:
[( 304 - 214 ) ÷ 214] x 100 = 42.06%
Formula
Percentage change = [(304 - 214) / 214] x 100
Subtract the new number by the original number
304 - 214 = 90
90 ÷ 214 = 0.4205607476635514
0.4205607476635514 x 100 = 42.06%