-49.51% is the change from 917 to 463
Calculation steps:
[( 463 - 917 ) ÷ 917] x 100 = -49.51%
Formula
Percentage change = [(463 - 917) / 917] x 100
Subtract the new number by the original number
463 - 917 = -454
-454 ÷ 917 = -0.495092693565976
-0.495092693565976 x 100 = -49.51%