219.4% is the change from 201 to 642
Calculation steps:
[( 642 - 201 ) ÷ 201] x 100 = 219.4%
Formula
Percentage change = [(642 - 201) / 201] x 100
Subtract the new number by the original number
642 - 201 = 441
441 ÷ 201 = 2.1940298507462686
2.1940298507462686 x 100 = 219.4%