-46.32% is the change from 136 to 73
Calculation steps:
[( 73 - 136 ) ÷ 136] x 100 = -46.32%
Formula
Percentage change = [(73 - 136) / 136] x 100
Subtract the new number by the original number
73 - 136 = -63
-63 ÷ 136 = -0.4632352941176471
-0.4632352941176471 x 100 = -46.32%