71.31% is the change from 122 to 209
Calculation steps:
[( 209 - 122 ) ÷ 122] x 100 = 71.31%
Formula
Percentage change = [(209 - 122) / 122] x 100
Subtract the new number by the original number
209 - 122 = 87
87 ÷ 122 = 0.7131147540983607
0.7131147540983607 x 100 = 71.31%