220.9% is the change from 201 to 645
Calculation steps:
[( 645 - 201 ) ÷ 201] x 100 = 220.9%
Formula
Percentage change = [(645 - 201) / 201] x 100
Subtract the new number by the original number
645 - 201 = 444
444 ÷ 201 = 2.208955223880597
2.208955223880597 x 100 = 220.9%