-18.48% is the change from 828 to 675
Calculation steps:
[( 675 - 828 ) ÷ 828] x 100 = -18.48%
Formula
Percentage change = [(675 - 828) / 828] x 100
Subtract the new number by the original number
675 - 828 = -153
-153 ÷ 828 = -0.18478260869565216
-0.18478260869565216 x 100 = -18.48%