-37.29% is the change from 826 to 518
Calculation steps:
[( 518 - 826 ) ÷ 826] x 100 = -37.29%
Formula
Percentage change = [(518 - 826) / 826] x 100
Subtract the new number by the original number
518 - 826 = -308
-308 ÷ 826 = -0.3728813559322034
-0.3728813559322034 x 100 = -37.29%