-1.37% is the change from 73 to 72
Calculation steps:
[( 72 - 73 ) ÷ 73] x 100 = -1.37%
Formula
Percentage change = [(72 - 73) / 73] x 100
Subtract the new number by the original number
72 - 73 = -1
-1 ÷ 73 = -0.0136986301369863
-0.0136986301369863 x 100 = -1.37%