-50.97% is the change from 567 to 278
Calculation steps:
[( 278 - 567 ) ÷ 567] x 100 = -50.97%
Formula
Percentage change = [(278 - 567) / 567] x 100
Subtract the new number by the original number
278 - 567 = -289
-289 ÷ 567 = -0.5097001763668431
-0.5097001763668431 x 100 = -50.97%