-72.53% is the change from 273 to 75
Calculation steps:
[( 75 - 273 ) ÷ 273] x 100 = -72.53%
Formula
Percentage change = [(75 - 273) / 273] x 100
Subtract the new number by the original number
75 - 273 = -198
-198 ÷ 273 = -0.7252747252747253
-0.7252747252747253 x 100 = -72.53%