218.41% is the change from 201 to 640
Calculation steps:
[( 640 - 201 ) ÷ 201] x 100 = 218.41%
Formula
Percentage change = [(640 - 201) / 201] x 100
Subtract the new number by the original number
640 - 201 = 439
439 ÷ 201 = 2.18407960199005
2.18407960199005 x 100 = 218.41%