-84.96% is the change from 399 to 60
Calculation steps:
[( 60 - 399 ) ÷ 399] x 100 = -84.96%
Formula
Percentage change = [(60 - 399) / 399] x 100
Subtract the new number by the original number
60 - 399 = -339
-339 ÷ 399 = -0.849624060150376
-0.849624060150376 x 100 = -84.96%