-46.56% is the change from 917 to 490
Calculation steps:
[( 490 - 917 ) ÷ 917] x 100 = -46.56%
Formula
Percentage change = [(490 - 917) / 917] x 100
Subtract the new number by the original number
490 - 917 = -427
-427 ÷ 917 = -0.46564885496183206
-0.46564885496183206 x 100 = -46.56%