-27.64% is the change from 123 to 89
Calculation steps:
[( 89 - 123 ) ÷ 123] x 100 = -27.64%
Formula
Percentage change = [(89 - 123) / 123] x 100
Subtract the new number by the original number
89 - 123 = -34
-34 ÷ 123 = -0.2764227642276423
-0.2764227642276423 x 100 = -27.64%