-46.51% is the change from 931 to 498
Calculation steps:
[( 498 - 931 ) ÷ 931] x 100 = -46.51%
Formula
Percentage change = [(498 - 931) / 931] x 100
Subtract the new number by the original number
498 - 931 = -433
-433 ÷ 931 = -0.46509129967776586
-0.46509129967776586 x 100 = -46.51%