-58.84% is the change from 826 to 340
Calculation steps:
[( 340 - 826 ) ÷ 826] x 100 = -58.84%
Formula
Percentage change = [(340 - 826) / 826] x 100
Subtract the new number by the original number
340 - 826 = -486
-486 ÷ 826 = -0.5883777239709443
-0.5883777239709443 x 100 = -58.84%