64.03% is the change from 303 to 497
Calculation steps:
[( 497 - 303 ) ÷ 303] x 100 = 64.03%
Formula
Percentage change = [(497 - 303) / 303] x 100
Subtract the new number by the original number
497 - 303 = 194
194 ÷ 303 = 0.6402640264026402
0.6402640264026402 x 100 = 64.03%