-46.74% is the change from 522 to 278
Calculation steps:
[( 278 - 522 ) ÷ 522] x 100 = -46.74%
Formula
Percentage change = [(278 - 522) / 522] x 100
Subtract the new number by the original number
278 - 522 = -244
-244 ÷ 522 = -0.4674329501915709
-0.4674329501915709 x 100 = -46.74%