-52.66% is the change from 826 to 391
Calculation steps:
[( 391 - 826 ) ÷ 826] x 100 = -52.66%
Formula
Percentage change = [(391 - 826) / 826] x 100
Subtract the new number by the original number
391 - 826 = -435
-435 ÷ 826 = -0.5266343825665859
-0.5266343825665859 x 100 = -52.66%