-75.44% is the change from 399 to 98
Calculation steps:
[( 98 - 399 ) ÷ 399] x 100 = -75.44%
Formula
Percentage change = [(98 - 399) / 399] x 100
Subtract the new number by the original number
98 - 399 = -301
-301 ÷ 399 = -0.7543859649122807
-0.7543859649122807 x 100 = -75.44%