101.91% is the change from 209 to 422
Calculation steps:
[( 422 - 209 ) ÷ 209] x 100 = 101.91%
Formula
Percentage change = [(422 - 209) / 209] x 100
Subtract the new number by the original number
422 - 209 = 213
213 ÷ 209 = 1.0191387559808613
1.0191387559808613 x 100 = 101.91%