-47.71% is the change from 654 to 342
Calculation steps:
[( 342 - 654 ) ÷ 654] x 100 = -47.71%
Formula
Percentage change = [(342 - 654) / 654] x 100
Subtract the new number by the original number
342 - 654 = -312
-312 ÷ 654 = -0.47706422018348627
-0.47706422018348627 x 100 = -47.71%