-87.71% is the change from 350 to 43
Calculation steps:
[( 43 - 350 ) ÷ 350] x 100 = -87.71%
Formula
Percentage change = [(43 - 350) / 350] x 100
Subtract the new number by the original number
43 - 350 = -307
-307 ÷ 350 = -0.8771428571428571
-0.8771428571428571 x 100 = -87.71%