-66.21% is the change from 290 to 98
Calculation steps:
[( 98 - 290 ) ÷ 290] x 100 = -66.21%
Formula
Percentage change = [(98 - 290) / 290] x 100
Subtract the new number by the original number
98 - 290 = -192
-192 ÷ 290 = -0.6620689655172414
-0.6620689655172414 x 100 = -66.21%