-34.22% is the change from 187 to 123
Calculation steps:
[( 123 - 187 ) ÷ 187] x 100 = -34.22%
Formula
Percentage change = [(123 - 187) / 187] x 100
Subtract the new number by the original number
123 - 187 = -64
-64 ÷ 187 = -0.3422459893048128
-0.3422459893048128 x 100 = -34.22%