112.21% is the change from 303 to 643
Calculation steps:
[( 643 - 303 ) ÷ 303] x 100 = 112.21%
Formula
Percentage change = [(643 - 303) / 303] x 100
Subtract the new number by the original number
643 - 303 = 340
340 ÷ 303 = 1.1221122112211221
1.1221122112211221 x 100 = 112.21%