-47.16% is the change from 528 to 279
Calculation steps:
[( 279 - 528 ) ÷ 528] x 100 = -47.16%
Formula
Percentage change = [(279 - 528) / 528] x 100
Subtract the new number by the original number
279 - 528 = -249
-249 ÷ 528 = -0.4715909090909091
-0.4715909090909091 x 100 = -47.16%