-49.16% is the change from 417 to 212
Calculation steps:
[( 212 - 417 ) ÷ 417] x 100 = -49.16%
Formula
Percentage change = [(212 - 417) / 417] x 100
Subtract the new number by the original number
212 - 417 = -205
-205 ÷ 417 = -0.49160671462829736
-0.49160671462829736 x 100 = -49.16%