-71.71% is the change from 258 to 73
Calculation steps:
[( 73 - 258 ) ÷ 258] x 100 = -71.71%
Formula
Percentage change = [(73 - 258) / 258] x 100
Subtract the new number by the original number
73 - 258 = -185
-185 ÷ 258 = -0.7170542635658915
-0.7170542635658915 x 100 = -71.71%