-43.59% is the change from 913 to 515
Calculation steps:
[( 515 - 913 ) ÷ 913] x 100 = -43.59%
Formula
Percentage change = [(515 - 913) / 913] x 100
Subtract the new number by the original number
515 - 913 = -398
-398 ÷ 913 = -0.4359255202628697
-0.4359255202628697 x 100 = -43.59%