-88.69% is the change from 619 to 70
Calculation steps:
[( 70 - 619 ) ÷ 619] x 100 = -88.69%
Formula
Percentage change = [(70 - 619) / 619] x 100
Subtract the new number by the original number
70 - 619 = -549
-549 ÷ 619 = -0.8869143780290791
-0.8869143780290791 x 100 = -88.69%