-50.34% is the change from 145 to 72
Calculation steps:
[( 72 - 145 ) ÷ 145] x 100 = -50.34%
Formula
Percentage change = [(72 - 145) / 145] x 100
Subtract the new number by the original number
72 - 145 = -73
-73 ÷ 145 = -0.503448275862069
-0.503448275862069 x 100 = -50.34%