-56.34% is the change from 339 to 148
Calculation steps:
[( 148 - 339 ) ÷ 339] x 100 = -56.34%
Formula
Percentage change = [(148 - 339) / 339] x 100
Subtract the new number by the original number
148 - 339 = -191
-191 ÷ 339 = -0.5634218289085545
-0.5634218289085545 x 100 = -56.34%