-48.24% is the change from 823 to 426
Calculation steps:
[( 426 - 823 ) ÷ 823] x 100 = -48.24%
Formula
Percentage change = [(426 - 823) / 823] x 100
Subtract the new number by the original number
426 - 823 = -397
-397 ÷ 823 = -0.4823815309842041
-0.4823815309842041 x 100 = -48.24%