-86.43% is the change from 339 to 46
Calculation steps:
[( 46 - 339 ) ÷ 339] x 100 = -86.43%
Formula
Percentage change = [(46 - 339) / 339] x 100
Subtract the new number by the original number
46 - 339 = -293
-293 ÷ 339 = -0.8643067846607669
-0.8643067846607669 x 100 = -86.43%