-93.6% is the change from 344 to 22
Calculation steps:
[( 22 - 344 ) ÷ 344] x 100 = -93.6%
Formula
Percentage change = [(22 - 344) / 344] x 100
Subtract the new number by the original number
22 - 344 = -322
-322 ÷ 344 = -0.936046511627907
-0.936046511627907 x 100 = -93.6%