-40.57% is the change from 212 to 126
Calculation steps:
[( 126 - 212 ) ÷ 212] x 100 = -40.57%
Formula
Percentage change = [(126 - 212) / 212] x 100
Subtract the new number by the original number
126 - 212 = -86
-86 ÷ 212 = -0.4056603773584906
-0.4056603773584906 x 100 = -40.57%