-95.29% is the change from 828 to 39
Calculation steps:
[( 39 - 828 ) ÷ 828] x 100 = -95.29%
Formula
Percentage change = [(39 - 828) / 828] x 100
Subtract the new number by the original number
39 - 828 = -789
-789 ÷ 828 = -0.9528985507246377
-0.9528985507246377 x 100 = -95.29%