-51.01% is the change from 149 to 73
Calculation steps:
[( 73 - 149 ) ÷ 149] x 100 = -51.01%
Formula
Percentage change = [(73 - 149) / 149] x 100
Subtract the new number by the original number
73 - 149 = -76
-76 ÷ 149 = -0.5100671140939598
-0.5100671140939598 x 100 = -51.01%