64.68% is the change from 201 to 331
Calculation steps:
[( 331 - 201 ) ÷ 201] x 100 = 64.68%
Formula
Percentage change = [(331 - 201) / 201] x 100
Subtract the new number by the original number
331 - 201 = 130
130 ÷ 201 = 0.6467661691542289
0.6467661691542289 x 100 = 64.68%