-92.08% is the change from 619 to 49
Calculation steps:
[( 49 - 619 ) ÷ 619] x 100 = -92.08%
Formula
Percentage change = [(49 - 619) / 619] x 100
Subtract the new number by the original number
49 - 619 = -570
-570 ÷ 619 = -0.9208400646203554
-0.9208400646203554 x 100 = -92.08%