-83.69% is the change from 601 to 98
Calculation steps:
[( 98 - 601 ) ÷ 601] x 100 = -83.69%
Formula
Percentage change = [(98 - 601) / 601] x 100
Subtract the new number by the original number
98 - 601 = -503
-503 ÷ 601 = -0.8369384359400999
-0.8369384359400999 x 100 = -83.69%