70.3% is the change from 303 to 516
Calculation steps:
[( 516 - 303 ) ÷ 303] x 100 = 70.3%
Formula
Percentage change = [(516 - 303) / 303] x 100
Subtract the new number by the original number
516 - 303 = 213
213 ÷ 303 = 0.7029702970297029
0.7029702970297029 x 100 = 70.3%