78.69% is the change from 61 to 109
Calculation steps:
[( 109 - 61 ) ÷ 61] x 100 = 78.69%
Formula
Percentage change = [(109 - 61) / 61] x 100
Subtract the new number by the original number
109 - 61 = 48
48 ÷ 61 = 0.7868852459016393
0.7868852459016393 x 100 = 78.69%