-84.35% is the change from 428 to 67
Calculation steps:
[( 67 - 428 ) ÷ 428] x 100 = -84.35%
Formula
Percentage change = [(67 - 428) / 428] x 100
Subtract the new number by the original number
67 - 428 = -361
-361 ÷ 428 = -0.8434579439252337
-0.8434579439252337 x 100 = -84.35%