-98.61% is the change from 72 to 1
Calculation steps:
[( 1 - 72 ) ÷ 72] x 100 = -98.61%
Formula
Percentage change = [(1 - 72) / 72] x 100
Subtract the new number by the original number
1 - 72 = -71
-71 ÷ 72 = -0.9861111111111112
-0.9861111111111112 x 100 = -98.61%