-77.87% is the change from 619 to 137
Calculation steps:
[( 137 - 619 ) ÷ 619] x 100 = -77.87%
Formula
Percentage change = [(137 - 619) / 619] x 100
Subtract the new number by the original number
137 - 619 = -482
-482 ÷ 619 = -0.778675282714055
-0.778675282714055 x 100 = -77.87%