-77.1% is the change from 428 to 98
Calculation steps:
[( 98 - 428 ) ÷ 428] x 100 = -77.1%
Formula
Percentage change = [(98 - 428) / 428] x 100
Subtract the new number by the original number
98 - 428 = -330
-330 ÷ 428 = -0.7710280373831776
-0.7710280373831776 x 100 = -77.1%