-43.99% is the change from 616 to 345
Calculation steps:
[( 345 - 616 ) ÷ 616] x 100 = -43.99%
Formula
Percentage change = [(345 - 616) / 616] x 100
Subtract the new number by the original number
345 - 616 = -271
-271 ÷ 616 = -0.43993506493506496
-0.43993506493506496 x 100 = -43.99%