120.96% is the change from 291 to 643
Calculation steps:
[( 643 - 291 ) ÷ 291] x 100 = 120.96%
Formula
Percentage change = [(643 - 291) / 291] x 100
Subtract the new number by the original number
643 - 291 = 352
352 ÷ 291 = 1.2096219931271477
1.2096219931271477 x 100 = 120.96%