-93.43% is the change from 502 to 33
Calculation steps:
[( 33 - 502 ) ÷ 502] x 100 = -93.43%
Formula
Percentage change = [(33 - 502) / 502] x 100
Subtract the new number by the original number
33 - 502 = -469
-469 ÷ 502 = -0.9342629482071713
-0.9342629482071713 x 100 = -93.43%