-93.23% is the change from 502 to 34
Calculation steps:
[( 34 - 502 ) ÷ 502] x 100 = -93.23%
Formula
Percentage change = [(34 - 502) / 502] x 100
Subtract the new number by the original number
34 - 502 = -468
-468 ÷ 502 = -0.9322709163346613
-0.9322709163346613 x 100 = -93.23%