-38.01% is the change from 826 to 512
Calculation steps:
[( 512 - 826 ) ÷ 826] x 100 = -38.01%
Formula
Percentage change = [(512 - 826) / 826] x 100
Subtract the new number by the original number
512 - 826 = -314
-314 ÷ 826 = -0.3801452784503632
-0.3801452784503632 x 100 = -38.01%