-39.27% is the change from 825 to 501
Calculation steps:
[( 501 - 825 ) ÷ 825] x 100 = -39.27%
Formula
Percentage change = [(501 - 825) / 825] x 100
Subtract the new number by the original number
501 - 825 = -324
-324 ÷ 825 = -0.3927272727272727
-0.3927272727272727 x 100 = -39.27%