-56.69% is the change from 635 to 275
Calculation steps:
[( 275 - 635 ) ÷ 635] x 100 = -56.69%
Formula
Percentage change = [(275 - 635) / 635] x 100
Subtract the new number by the original number
275 - 635 = -360
-360 ÷ 635 = -0.5669291338582677
-0.5669291338582677 x 100 = -56.69%