-68.06% is the change from 72 to 23
Calculation steps:
[( 23 - 72 ) ÷ 72] x 100 = -68.06%
Formula
Percentage change = [(23 - 72) / 72] x 100
Subtract the new number by the original number
23 - 72 = -49
-49 ÷ 72 = -0.6805555555555556
-0.6805555555555556 x 100 = -68.06%