-47.57% is the change from 534 to 280
Calculation steps:
[( 280 - 534 ) ÷ 534] x 100 = -47.57%
Formula
Percentage change = [(280 - 534) / 534] x 100
Subtract the new number by the original number
280 - 534 = -254
-254 ÷ 534 = -0.4756554307116105
-0.4756554307116105 x 100 = -47.57%