65.68% is the change from 303 to 502
Calculation steps:
[( 502 - 303 ) ÷ 303] x 100 = 65.68%
Formula
Percentage change = [(502 - 303) / 303] x 100
Subtract the new number by the original number
502 - 303 = 199
199 ÷ 303 = 0.6567656765676567
0.6567656765676567 x 100 = 65.68%