-50.34% is the change from 147 to 73
Calculation steps:
[( 73 - 147 ) ÷ 147] x 100 = -50.34%
Formula
Percentage change = [(73 - 147) / 147] x 100
Subtract the new number by the original number
73 - 147 = -74
-74 ÷ 147 = -0.5034013605442177
-0.5034013605442177 x 100 = -50.34%