-31.85% is the change from 427 to 291
Calculation steps:
[( 291 - 427 ) ÷ 427] x 100 = -31.85%
Formula
Percentage change = [(291 - 427) / 427] x 100
Subtract the new number by the original number
291 - 427 = -136
-136 ÷ 427 = -0.3185011709601874
-0.3185011709601874 x 100 = -31.85%