-33.93% is the change from 619 to 409
Calculation steps:
[( 409 - 619 ) ÷ 619] x 100 = -33.93%
Formula
Percentage change = [(409 - 619) / 619] x 100
Subtract the new number by the original number
409 - 619 = -210
-210 ÷ 619 = -0.3392568659127625
-0.3392568659127625 x 100 = -33.93%