-83.04% is the change from 619 to 105
Calculation steps:
[( 105 - 619 ) ÷ 619] x 100 = -83.04%
Formula
Percentage change = [(105 - 619) / 619] x 100
Subtract the new number by the original number
105 - 619 = -514
-514 ÷ 619 = -0.8303715670436187
-0.8303715670436187 x 100 = -83.04%