-63.01% is the change from 73 to 27
Calculation steps:
[( 27 - 73 ) ÷ 73] x 100 = -63.01%
Formula
Percentage change = [(27 - 73) / 73] x 100
Subtract the new number by the original number
27 - 73 = -46
-46 ÷ 73 = -0.6301369863013698
-0.6301369863013698 x 100 = -63.01%