-8.57% is the change from 828 to 757
Calculation steps:
[( 757 - 828 ) ÷ 828] x 100 = -8.57%
Formula
Percentage change = [(757 - 828) / 828] x 100
Subtract the new number by the original number
757 - 828 = -71
-71 ÷ 828 = -0.08574879227053141
-0.08574879227053141 x 100 = -8.57%