21.78% is the change from 101 to 123
Calculation steps:
[( 123 - 101 ) ÷ 101] x 100 = 21.78%
Formula
Percentage change = [(123 - 101) / 101] x 100
Subtract the new number by the original number
123 - 101 = 22
22 ÷ 101 = 0.21782178217821782
0.21782178217821782 x 100 = 21.78%