-79.41% is the change from 675 to 139
Calculation steps:
[( 139 - 675 ) ÷ 675] x 100 = -79.41%
Formula
Percentage change = [(139 - 675) / 675] x 100
Subtract the new number by the original number
139 - 675 = -536
-536 ÷ 675 = -0.794074074074074
-0.794074074074074 x 100 = -79.41%