-55.46% is the change from 339 to 151
Calculation steps:
[( 151 - 339 ) ÷ 339] x 100 = -55.46%
Formula
Percentage change = [(151 - 339) / 339] x 100
Subtract the new number by the original number
151 - 339 = -188
-188 ÷ 339 = -0.5545722713864307
-0.5545722713864307 x 100 = -55.46%