-83.14% is the change from 344 to 58
Calculation steps:
[( 58 - 344 ) ÷ 344] x 100 = -83.14%
Formula
Percentage change = [(58 - 344) / 344] x 100
Subtract the new number by the original number
58 - 344 = -286
-286 ÷ 344 = -0.8313953488372093
-0.8313953488372093 x 100 = -83.14%