102.31% is the change from 303 to 613
Calculation steps:
[( 613 - 303 ) ÷ 303] x 100 = 102.31%
Formula
Percentage change = [(613 - 303) / 303] x 100
Subtract the new number by the original number
613 - 303 = 310
310 ÷ 303 = 1.023102310231023
1.023102310231023 x 100 = 102.31%