-36.18% is the change from 456 to 291
Calculation steps:
[( 291 - 456 ) ÷ 456] x 100 = -36.18%
Formula
Percentage change = [(291 - 456) / 456] x 100
Subtract the new number by the original number
291 - 456 = -165
-165 ÷ 456 = -0.3618421052631579
-0.3618421052631579 x 100 = -36.18%