-65.46% is the change from 828 to 286
Calculation steps:
[( 286 - 828 ) ÷ 828] x 100 = -65.46%
Formula
Percentage change = [(286 - 828) / 828] x 100
Subtract the new number by the original number
286 - 828 = -542
-542 ÷ 828 = -0.6545893719806763
-0.6545893719806763 x 100 = -65.46%