-79.97% is the change from 619 to 124
Calculation steps:
[( 124 - 619 ) ÷ 619] x 100 = -79.97%
Formula
Percentage change = [(124 - 619) / 619] x 100
Subtract the new number by the original number
124 - 619 = -495
-495 ÷ 619 = -0.7996768982229402
-0.7996768982229402 x 100 = -79.97%