-71.31% is the change from 251 to 72
Calculation steps:
[( 72 - 251 ) ÷ 251] x 100 = -71.31%
Formula
Percentage change = [(72 - 251) / 251] x 100
Subtract the new number by the original number
72 - 251 = -179
-179 ÷ 251 = -0.7131474103585658
-0.7131474103585658 x 100 = -71.31%