-45.04% is the change from 917 to 504
Calculation steps:
[( 504 - 917 ) ÷ 917] x 100 = -45.04%
Formula
Percentage change = [(504 - 917) / 917] x 100
Subtract the new number by the original number
504 - 917 = -413
-413 ÷ 917 = -0.45038167938931295
-0.45038167938931295 x 100 = -45.04%