-41.42% is the change from 338 to 198
Calculation steps:
[( 198 - 338 ) ÷ 338] x 100 = -41.42%
Formula
Percentage change = [(198 - 338) / 338] x 100
Subtract the new number by the original number
198 - 338 = -140
-140 ÷ 338 = -0.41420118343195267
-0.41420118343195267 x 100 = -41.42%