-54.55% is the change from 506 to 230
Calculation steps:
[( 230 - 506 ) ÷ 506] x 100 = -54.55%
Formula
Percentage change = [(230 - 506) / 506] x 100
Subtract the new number by the original number
230 - 506 = -276
-276 ÷ 506 = -0.5454545454545454
-0.5454545454545454 x 100 = -54.55%