-58.52% is the change from 663 to 275
Calculation steps:
[( 275 - 663 ) ÷ 663] x 100 = -58.52%
Formula
Percentage change = [(275 - 663) / 663] x 100
Subtract the new number by the original number
275 - 663 = -388
-388 ÷ 663 = -0.5852187028657617
-0.5852187028657617 x 100 = -58.52%