-50.23% is the change from 428 to 213
Calculation steps:
[( 213 - 428 ) ÷ 428] x 100 = -50.23%
Formula
Percentage change = [(213 - 428) / 428] x 100
Subtract the new number by the original number
213 - 428 = -215
-215 ÷ 428 = -0.5023364485981309
-0.5023364485981309 x 100 = -50.23%