-47.75% is the change from 534 to 279
Calculation steps:
[( 279 - 534 ) ÷ 534] x 100 = -47.75%
Formula
Percentage change = [(279 - 534) / 534] x 100
Subtract the new number by the original number
279 - 534 = -255
-255 ÷ 534 = -0.47752808988764045
-0.47752808988764045 x 100 = -47.75%