-53.5% is the change from 428 to 199
Calculation steps:
[( 199 - 428 ) ÷ 428] x 100 = -53.5%
Formula
Percentage change = [(199 - 428) / 428] x 100
Subtract the new number by the original number
199 - 428 = -229
-229 ÷ 428 = -0.5350467289719626
-0.5350467289719626 x 100 = -53.5%