-78.78% is the change from 655 to 139
Calculation steps:
[( 139 - 655 ) ÷ 655] x 100 = -78.78%
Formula
Percentage change = [(139 - 655) / 655] x 100
Subtract the new number by the original number
139 - 655 = -516
-516 ÷ 655 = -0.7877862595419848
-0.7877862595419848 x 100 = -78.78%