-93.28% is the change from 506 to 34
Calculation steps:
[( 34 - 506 ) ÷ 506] x 100 = -93.28%
Formula
Percentage change = [(34 - 506) / 506] x 100
Subtract the new number by the original number
34 - 506 = -472
-472 ÷ 506 = -0.932806324110672
-0.932806324110672 x 100 = -93.28%