-45.04% is the change from 504 to 277
Calculation steps:
[( 277 - 504 ) ÷ 504] x 100 = -45.04%
Formula
Percentage change = [(277 - 504) / 504] x 100
Subtract the new number by the original number
277 - 504 = -227
-227 ÷ 504 = -0.4503968253968254
-0.4503968253968254 x 100 = -45.04%