-33.03% is the change from 109 to 73
Calculation steps:
[( 73 - 109 ) ÷ 109] x 100 = -33.03%
Formula
Percentage change = [(73 - 109) / 109] x 100
Subtract the new number by the original number
73 - 109 = -36
-36 ÷ 109 = -0.3302752293577982
-0.3302752293577982 x 100 = -33.03%