-69.57% is the change from 828 to 252
Calculation steps:
[( 252 - 828 ) ÷ 828] x 100 = -69.57%
Formula
Percentage change = [(252 - 828) / 828] x 100
Subtract the new number by the original number
252 - 828 = -576
-576 ÷ 828 = -0.6956521739130435
-0.6956521739130435 x 100 = -69.57%