-98.22% is the change from 619 to 11
Calculation steps:
[( 11 - 619 ) ÷ 619] x 100 = -98.22%
Formula
Percentage change = [(11 - 619) / 619] x 100
Subtract the new number by the original number
11 - 619 = -608
-608 ÷ 619 = -0.9822294022617124
-0.9822294022617124 x 100 = -98.22%