-35.08% is the change from 801 to 520
Calculation steps:
[( 520 - 801 ) ÷ 801] x 100 = -35.08%
Formula
Percentage change = [(520 - 801) / 801] x 100
Subtract the new number by the original number
520 - 801 = -281
-281 ÷ 801 = -0.35081148564294634
-0.35081148564294634 x 100 = -35.08%