-43.37% is the change from 913 to 517
Calculation steps:
[( 517 - 913 ) ÷ 913] x 100 = -43.37%
Formula
Percentage change = [(517 - 913) / 913] x 100
Subtract the new number by the original number
517 - 913 = -396
-396 ÷ 913 = -0.43373493975903615
-0.43373493975903615 x 100 = -43.37%