-74.56% is the change from 287 to 73
Calculation steps:
[( 73 - 287 ) ÷ 287] x 100 = -74.56%
Formula
Percentage change = [(73 - 287) / 287] x 100
Subtract the new number by the original number
73 - 287 = -214
-214 ÷ 287 = -0.7456445993031359
-0.7456445993031359 x 100 = -74.56%