-70.12% is the change from 328 to 98
Calculation steps:
[( 98 - 328 ) ÷ 328] x 100 = -70.12%
Formula
Percentage change = [(98 - 328) / 328] x 100
Subtract the new number by the original number
98 - 328 = -230
-230 ÷ 328 = -0.7012195121951219
-0.7012195121951219 x 100 = -70.12%