-45.29% is the change from 499 to 273
Calculation steps:
[( 273 - 499 ) ÷ 499] x 100 = -45.29%
Formula
Percentage change = [(273 - 499) / 499] x 100
Subtract the new number by the original number
273 - 499 = -226
-226 ÷ 499 = -0.4529058116232465
-0.4529058116232465 x 100 = -45.29%