60.4% is the change from 303 to 486
Calculation steps:
[( 486 - 303 ) ÷ 303] x 100 = 60.4%
Formula
Percentage change = [(486 - 303) / 303] x 100
Subtract the new number by the original number
486 - 303 = 183
183 ÷ 303 = 0.6039603960396039
0.6039603960396039 x 100 = 60.4%