-48.5% is the change from 534 to 275
Calculation steps:
[( 275 - 534 ) ÷ 534] x 100 = -48.5%
Formula
Percentage change = [(275 - 534) / 534] x 100
Subtract the new number by the original number
275 - 534 = -259
-259 ÷ 534 = -0.4850187265917603
-0.4850187265917603 x 100 = -48.5%