-51.42% is the change from 492 to 239
Calculation steps:
[( 239 - 492 ) ÷ 492] x 100 = -51.42%
Formula
Percentage change = [(239 - 492) / 492] x 100
Subtract the new number by the original number
239 - 492 = -253
-253 ÷ 492 = -0.5142276422764228
-0.5142276422764228 x 100 = -51.42%