-49.8% is the change from 504 to 253
Calculation steps:
[( 253 - 504 ) ÷ 504] x 100 = -49.8%
Formula
Percentage change = [(253 - 504) / 504] x 100
Subtract the new number by the original number
253 - 504 = -251
-251 ÷ 504 = -0.498015873015873
-0.498015873015873 x 100 = -49.8%