-81.42% is the change from 619 to 115
Calculation steps:
[( 115 - 619 ) ÷ 619] x 100 = -81.42%
Formula
Percentage change = [(115 - 619) / 619] x 100
Subtract the new number by the original number
115 - 619 = -504
-504 ÷ 619 = -0.81421647819063
-0.81421647819063 x 100 = -81.42%