-51.33% is the change from 826 to 402
Calculation steps:
[( 402 - 826 ) ÷ 826] x 100 = -51.33%
Formula
Percentage change = [(402 - 826) / 826] x 100
Subtract the new number by the original number
402 - 826 = -424
-424 ÷ 826 = -0.513317191283293
-0.513317191283293 x 100 = -51.33%