219.9% is the change from 201 to 643
Calculation steps:
[( 643 - 201 ) ÷ 201] x 100 = 219.9%
Formula
Percentage change = [(643 - 201) / 201] x 100
Subtract the new number by the original number
643 - 201 = 442
442 ÷ 201 = 2.199004975124378
2.199004975124378 x 100 = 219.9%