-64.75% is the change from 278 to 98
Calculation steps:
[( 98 - 278 ) ÷ 278] x 100 = -64.75%
Formula
Percentage change = [(98 - 278) / 278] x 100
Subtract the new number by the original number
98 - 278 = -180
-180 ÷ 278 = -0.6474820143884892
-0.6474820143884892 x 100 = -64.75%