-20.92% is the change from 435 to 344
Calculation steps:
[( 344 - 435 ) ÷ 435] x 100 = -20.92%
Formula
Percentage change = [(344 - 435) / 435] x 100
Subtract the new number by the original number
344 - 435 = -91
-91 ÷ 435 = -0.20919540229885059
-0.20919540229885059 x 100 = -20.92%