-83.77% is the change from 604 to 98
Calculation steps:
[( 98 - 604 ) ÷ 604] x 100 = -83.77%
Formula
Percentage change = [(98 - 604) / 604] x 100
Subtract the new number by the original number
98 - 604 = -506
-506 ÷ 604 = -0.8377483443708609
-0.8377483443708609 x 100 = -83.77%