7.92% is the change from 101 to 109
Calculation steps:
[( 109 - 101 ) ÷ 101] x 100 = 7.92%
Formula
Percentage change = [(109 - 101) / 101] x 100
Subtract the new number by the original number
109 - 101 = 8
8 ÷ 101 = 0.07920792079207921
0.07920792079207921 x 100 = 7.92%