-36.47% is the change from 828 to 526
Calculation steps:
[( 526 - 828 ) ÷ 828] x 100 = -36.47%
Formula
Percentage change = [(526 - 828) / 828] x 100
Subtract the new number by the original number
526 - 828 = -302
-302 ÷ 828 = -0.3647342995169082
-0.3647342995169082 x 100 = -36.47%