-72.54% is the change from 619 to 170
Calculation steps:
[( 170 - 619 ) ÷ 619] x 100 = -72.54%
Formula
Percentage change = [(170 - 619) / 619] x 100
Subtract the new number by the original number
170 - 619 = -449
-449 ÷ 619 = -0.7253634894991923
-0.7253634894991923 x 100 = -72.54%