77.3% is the change from 304 to 539
Calculation steps:
[( 539 - 304 ) ÷ 304] x 100 = 77.3%
Formula
Percentage change = [(539 - 304) / 304] x 100
Subtract the new number by the original number
539 - 304 = 235
235 ÷ 304 = 0.7730263157894737
0.7730263157894737 x 100 = 77.3%