-44.9% is the change from 931 to 513
Calculation steps:
[( 513 - 931 ) ÷ 931] x 100 = -44.9%
Formula
Percentage change = [(513 - 931) / 931] x 100
Subtract the new number by the original number
513 - 931 = -418
-418 ÷ 931 = -0.4489795918367347
-0.4489795918367347 x 100 = -44.9%