-99.21% is the change from 889 to 7
Calculation steps:
[( 7 - 889 ) ÷ 889] x 100 = -99.21%
Formula
Percentage change = [(7 - 889) / 889] x 100
Subtract the new number by the original number
7 - 889 = -882
-882 ÷ 889 = -0.9921259842519685
-0.9921259842519685 x 100 = -99.21%