-4.21% is the change from 927 to 888
Calculation steps:
[( 888 - 927 ) ÷ 927] x 100 = -4.21%
Formula
Percentage change = [(888 - 927) / 927] x 100
Subtract the new number by the original number
888 - 927 = -39
-39 ÷ 927 = -0.042071197411003236
-0.042071197411003236 x 100 = -4.21%