-22.57% is the change from 350 to 271
Calculation steps:
[( 271 - 350 ) ÷ 350] x 100 = -22.57%
Formula
Percentage change = [(271 - 350) / 350] x 100
Subtract the new number by the original number
271 - 350 = -79
-79 ÷ 350 = -0.2257142857142857
-0.2257142857142857 x 100 = -22.57%