-93.36% is the change from 497 to 33
Calculation steps:
[( 33 - 497 ) ÷ 497] x 100 = -93.36%
Formula
Percentage change = [(33 - 497) / 497] x 100
Subtract the new number by the original number
33 - 497 = -464
-464 ÷ 497 = -0.9336016096579477
-0.9336016096579477 x 100 = -93.36%