-49.3% is the change from 430 to 218
Calculation steps:
[( 218 - 430 ) ÷ 430] x 100 = -49.3%
Formula
Percentage change = [(218 - 430) / 430] x 100
Subtract the new number by the original number
218 - 430 = -212
-212 ÷ 430 = -0.4930232558139535
-0.4930232558139535 x 100 = -49.3%