-39.25% is the change from 479 to 291
Calculation steps:
[( 291 - 479 ) ÷ 479] x 100 = -39.25%
Formula
Percentage change = [(291 - 479) / 479] x 100
Subtract the new number by the original number
291 - 479 = -188
-188 ÷ 479 = -0.3924843423799583
-0.3924843423799583 x 100 = -39.25%