-68.6% is the change from 828 to 260
Calculation steps:
[( 260 - 828 ) ÷ 828] x 100 = -68.6%
Formula
Percentage change = [(260 - 828) / 828] x 100
Subtract the new number by the original number
260 - 828 = -568
-568 ÷ 828 = -0.6859903381642513
-0.6859903381642513 x 100 = -68.6%