221.39% is the change from 201 to 646
Calculation steps:
[( 646 - 201 ) ÷ 201] x 100 = 221.39%
Formula
Percentage change = [(646 - 201) / 201] x 100
Subtract the new number by the original number
646 - 201 = 445
445 ÷ 201 = 2.2139303482587063
2.2139303482587063 x 100 = 221.39%