-17.44% is the change from 344 to 284
Calculation steps:
[( 284 - 344 ) ÷ 344] x 100 = -17.44%
Formula
Percentage change = [(284 - 344) / 344] x 100
Subtract the new number by the original number
284 - 344 = -60
-60 ÷ 344 = -0.1744186046511628
-0.1744186046511628 x 100 = -17.44%