-89.42% is the change from 293 to 31
Calculation steps:
[( 31 - 293 ) ÷ 293] x 100 = -89.42%
Formula
Percentage change = [(31 - 293) / 293] x 100
Subtract the new number by the original number
31 - 293 = -262
-262 ÷ 293 = -0.89419795221843
-0.89419795221843 x 100 = -89.42%