110.13% is the change from 306 to 643
Calculation steps:
[( 643 - 306 ) ÷ 306] x 100 = 110.13%
Formula
Percentage change = [(643 - 306) / 306] x 100
Subtract the new number by the original number
643 - 306 = 337
337 ÷ 306 = 1.1013071895424837
1.1013071895424837 x 100 = 110.13%