70.63% is the change from 303 to 517
Calculation steps:
[( 517 - 303 ) ÷ 303] x 100 = 70.63%
Formula
Percentage change = [(517 - 303) / 303] x 100
Subtract the new number by the original number
517 - 303 = 214
214 ÷ 303 = 0.7062706270627063
0.7062706270627063 x 100 = 70.63%