-93.47% is the change from 505 to 33
Calculation steps:
[( 33 - 505 ) ÷ 505] x 100 = -93.47%
Formula
Percentage change = [(33 - 505) / 505] x 100
Subtract the new number by the original number
33 - 505 = -472
-472 ÷ 505 = -0.9346534653465347
-0.9346534653465347 x 100 = -93.47%