-49.42% is the change from 431 to 218
Calculation steps:
[( 218 - 431 ) ÷ 431] x 100 = -49.42%
Formula
Percentage change = [(218 - 431) / 431] x 100
Subtract the new number by the original number
218 - 431 = -213
-213 ÷ 431 = -0.494199535962877
-0.494199535962877 x 100 = -49.42%