-1.57% is the change from 826 to 813
Calculation steps:
[( 813 - 826 ) ÷ 826] x 100 = -1.57%
Formula
Percentage change = [(813 - 826) / 826] x 100
Subtract the new number by the original number
813 - 826 = -13
-13 ÷ 826 = -0.015738498789346248
-0.015738498789346248 x 100 = -1.57%