-55.36% is the change from 345 to 154
Calculation steps:
[( 154 - 345 ) ÷ 345] x 100 = -55.36%
Formula
Percentage change = [(154 - 345) / 345] x 100
Subtract the new number by the original number
154 - 345 = -191
-191 ÷ 345 = -0.553623188405797
-0.553623188405797 x 100 = -55.36%