-27.21% is the change from 882 to 642
Calculation steps:
[( 642 - 882 ) ÷ 882] x 100 = -27.21%
Formula
Percentage change = [(642 - 882) / 882] x 100
Subtract the new number by the original number
642 - 882 = -240
-240 ÷ 882 = -0.272108843537415
-0.272108843537415 x 100 = -27.21%