-57.27% is the change from 344 to 147
Calculation steps:
[( 147 - 344 ) ÷ 344] x 100 = -57.27%
Formula
Percentage change = [(147 - 344) / 344] x 100
Subtract the new number by the original number
147 - 344 = -197
-197 ÷ 344 = -0.5726744186046512
-0.5726744186046512 x 100 = -57.27%