-53.59% is the change from 306 to 142
Calculation steps:
[( 142 - 306 ) ÷ 306] x 100 = -53.59%
Formula
Percentage change = [(142 - 306) / 306] x 100
Subtract the new number by the original number
142 - 306 = -164
-164 ÷ 306 = -0.5359477124183006
-0.5359477124183006 x 100 = -53.59%