-47.45% is the change from 959 to 504
Calculation steps:
[( 504 - 959 ) ÷ 959] x 100 = -47.45%
Formula
Percentage change = [(504 - 959) / 959] x 100
Subtract the new number by the original number
504 - 959 = -455
-455 ÷ 959 = -0.4744525547445255
-0.4744525547445255 x 100 = -47.45%