-41.47% is the change from 340 to 199
Calculation steps:
[( 199 - 340 ) ÷ 340] x 100 = -41.47%
Formula
Percentage change = [(199 - 340) / 340] x 100
Subtract the new number by the original number
199 - 340 = -141
-141 ÷ 340 = -0.4147058823529412
-0.4147058823529412 x 100 = -41.47%