-95.79% is the change from 428 to 18
Calculation steps:
[( 18 - 428 ) ÷ 428] x 100 = -95.79%
Formula
Percentage change = [(18 - 428) / 428] x 100
Subtract the new number by the original number
18 - 428 = -410
-410 ÷ 428 = -0.9579439252336449
-0.9579439252336449 x 100 = -95.79%