-96.58% is the change from 614 to 21
Calculation steps:
[( 21 - 614 ) ÷ 614] x 100 = -96.58%
Formula
Percentage change = [(21 - 614) / 614] x 100
Subtract the new number by the original number
21 - 614 = -593
-593 ÷ 614 = -0.9657980456026058
-0.9657980456026058 x 100 = -96.58%