-94.57% is the change from 828 to 45
Calculation steps:
[( 45 - 828 ) ÷ 828] x 100 = -94.57%
Formula
Percentage change = [(45 - 828) / 828] x 100
Subtract the new number by the original number
45 - 828 = -783
-783 ÷ 828 = -0.9456521739130435
-0.9456521739130435 x 100 = -94.57%