-58.58% is the change from 664 to 275
Calculation steps:
[( 275 - 664 ) ÷ 664] x 100 = -58.58%
Formula
Percentage change = [(275 - 664) / 664] x 100
Subtract the new number by the original number
275 - 664 = -389
-389 ÷ 664 = -0.5858433734939759
-0.5858433734939759 x 100 = -58.58%