-49.3% is the change from 499 to 253
Calculation steps:
[( 253 - 499 ) ÷ 499] x 100 = -49.3%
Formula
Percentage change = [(253 - 499) / 499] x 100
Subtract the new number by the original number
253 - 499 = -246
-246 ÷ 499 = -0.49298597194388777
-0.49298597194388777 x 100 = -49.3%