-90.68% is the change from 311 to 29
Calculation steps:
[( 29 - 311 ) ÷ 311] x 100 = -90.68%
Formula
Percentage change = [(29 - 311) / 311] x 100
Subtract the new number by the original number
29 - 311 = -282
-282 ÷ 311 = -0.9067524115755627
-0.9067524115755627 x 100 = -90.68%