-23.91% is the change from 506 to 385
Calculation steps:
[( 385 - 506 ) ÷ 506] x 100 = -23.91%
Formula
Percentage change = [(385 - 506) / 506] x 100
Subtract the new number by the original number
385 - 506 = -121
-121 ÷ 506 = -0.2391304347826087
-0.2391304347826087 x 100 = -23.91%