-21.56% is the change from 371 to 291
Calculation steps:
[( 291 - 371 ) ÷ 371] x 100 = -21.56%
Formula
Percentage change = [(291 - 371) / 371] x 100
Subtract the new number by the original number
291 - 371 = -80
-80 ÷ 371 = -0.215633423180593
-0.215633423180593 x 100 = -21.56%