-49.53% is the change from 428 to 216
Calculation steps:
[( 216 - 428 ) ÷ 428] x 100 = -49.53%
Formula
Percentage change = [(216 - 428) / 428] x 100
Subtract the new number by the original number
216 - 428 = -212
-212 ÷ 428 = -0.4953271028037383
-0.4953271028037383 x 100 = -49.53%