-73.51% is the change from 619 to 164
Calculation steps:
[( 164 - 619 ) ÷ 619] x 100 = -73.51%
Formula
Percentage change = [(164 - 619) / 619] x 100
Subtract the new number by the original number
164 - 619 = -455
-455 ÷ 619 = -0.7350565428109854
-0.7350565428109854 x 100 = -73.51%