109.45% is the change from 307 to 643
Calculation steps:
[( 643 - 307 ) ÷ 307] x 100 = 109.45%
Formula
Percentage change = [(643 - 307) / 307] x 100
Subtract the new number by the original number
643 - 307 = 336
336 ÷ 307 = 1.0944625407166124
1.0944625407166124 x 100 = 109.45%