-57.85% is the change from 344 to 145
Calculation steps:
[( 145 - 344 ) ÷ 344] x 100 = -57.85%
Formula
Percentage change = [(145 - 344) / 344] x 100
Subtract the new number by the original number
145 - 344 = -199
-199 ÷ 344 = -0.5784883720930233
-0.5784883720930233 x 100 = -57.85%