-49.88% is the change from 431 to 216
Calculation steps:
[( 216 - 431 ) ÷ 431] x 100 = -49.88%
Formula
Percentage change = [(216 - 431) / 431] x 100
Subtract the new number by the original number
216 - 431 = -215
-215 ÷ 431 = -0.4988399071925754
-0.4988399071925754 x 100 = -49.88%