-41.98% is the change from 212 to 123
Calculation steps:
[( 123 - 212 ) ÷ 212] x 100 = -41.98%
Formula
Percentage change = [(123 - 212) / 212] x 100
Subtract the new number by the original number
123 - 212 = -89
-89 ÷ 212 = -0.419811320754717
-0.419811320754717 x 100 = -41.98%