-49.4% is the change from 917 to 464
Calculation steps:
[( 464 - 917 ) ÷ 917] x 100 = -49.4%
Formula
Percentage change = [(464 - 917) / 917] x 100
Subtract the new number by the original number
464 - 917 = -453
-453 ÷ 917 = -0.4940021810250818
-0.4940021810250818 x 100 = -49.4%