-27.55% is the change from 882 to 639
Calculation steps:
[( 639 - 882 ) ÷ 882] x 100 = -27.55%
Formula
Percentage change = [(639 - 882) / 882] x 100
Subtract the new number by the original number
639 - 882 = -243
-243 ÷ 882 = -0.2755102040816326
-0.2755102040816326 x 100 = -27.55%