-2.31% is the change from 910 to 889
Calculation steps:
[( 889 - 910 ) ÷ 910] x 100 = -2.31%
Formula
Percentage change = [(889 - 910) / 910] x 100
Subtract the new number by the original number
889 - 910 = -21
-21 ÷ 910 = -0.023076923076923078
-0.023076923076923078 x 100 = -2.31%