-22.13% is the change from 506 to 394
Calculation steps:
[( 394 - 506 ) ÷ 506] x 100 = -22.13%
Formula
Percentage change = [(394 - 506) / 506] x 100
Subtract the new number by the original number
394 - 506 = -112
-112 ÷ 506 = -0.22134387351778656
-0.22134387351778656 x 100 = -22.13%