-27.44% is the change from 882 to 640
Calculation steps:
[( 640 - 882 ) ÷ 882] x 100 = -27.44%
Formula
Percentage change = [(640 - 882) / 882] x 100
Subtract the new number by the original number
640 - 882 = -242
-242 ÷ 882 = -0.2743764172335601
-0.2743764172335601 x 100 = -27.44%