-98.21% is the change from 613 to 11
Calculation steps:
[( 11 - 613 ) ÷ 613] x 100 = -98.21%
Formula
Percentage change = [(11 - 613) / 613] x 100
Subtract the new number by the original number
11 - 613 = -602
-602 ÷ 613 = -0.9820554649265906
-0.9820554649265906 x 100 = -98.21%