69.08% is the change from 304 to 514
Calculation steps:
[( 514 - 304 ) ÷ 304] x 100 = 69.08%
Formula
Percentage change = [(514 - 304) / 304] x 100
Subtract the new number by the original number
514 - 304 = 210
210 ÷ 304 = 0.6907894736842105
0.6907894736842105 x 100 = 69.08%