-54.34% is the change from 311 to 142
Calculation steps:
[( 142 - 311 ) ÷ 311] x 100 = -54.34%
Formula
Percentage change = [(142 - 311) / 311] x 100
Subtract the new number by the original number
142 - 311 = -169
-169 ÷ 311 = -0.5434083601286174
-0.5434083601286174 x 100 = -54.34%