-27.73% is the change from 339 to 245
Calculation steps:
[( 245 - 339 ) ÷ 339] x 100 = -27.73%
Formula
Percentage change = [(245 - 339) / 339] x 100
Subtract the new number by the original number
245 - 339 = -94
-94 ÷ 339 = -0.27728613569321536
-0.27728613569321536 x 100 = -27.73%