-27.67% is the change from 506 to 366
Calculation steps:
[( 366 - 506 ) ÷ 506] x 100 = -27.67%
Formula
Percentage change = [(366 - 506) / 506] x 100
Subtract the new number by the original number
366 - 506 = -140
-140 ÷ 506 = -0.2766798418972332
-0.2766798418972332 x 100 = -27.67%