-50.72% is the change from 558 to 275
Calculation steps:
[( 275 - 558 ) ÷ 558] x 100 = -50.72%
Formula
Percentage change = [(275 - 558) / 558] x 100
Subtract the new number by the original number
275 - 558 = -283
-283 ÷ 558 = -0.507168458781362
-0.507168458781362 x 100 = -50.72%