-27.04% is the change from 884 to 645
Calculation steps:
[( 645 - 884 ) ÷ 884] x 100 = -27.04%
Formula
Percentage change = [(645 - 884) / 884] x 100
Subtract the new number by the original number
645 - 884 = -239
-239 ÷ 884 = -0.2703619909502262
-0.2703619909502262 x 100 = -27.04%