-66.82% is the change from 428 to 142
Calculation steps:
[( 142 - 428 ) ÷ 428] x 100 = -66.82%
Formula
Percentage change = [(142 - 428) / 428] x 100
Subtract the new number by the original number
142 - 428 = -286
-286 ÷ 428 = -0.6682242990654206
-0.6682242990654206 x 100 = -66.82%