-89.56% is the change from 297 to 31
Calculation steps:
[( 31 - 297 ) ÷ 297] x 100 = -89.56%
Formula
Percentage change = [(31 - 297) / 297] x 100
Subtract the new number by the original number
31 - 297 = -266
-266 ÷ 297 = -0.8956228956228957
-0.8956228956228957 x 100 = -89.56%