-88.12% is the change from 345 to 41
Calculation steps:
[( 41 - 345 ) ÷ 345] x 100 = -88.12%
Formula
Percentage change = [(41 - 345) / 345] x 100
Subtract the new number by the original number
41 - 345 = -304
-304 ÷ 345 = -0.881159420289855
-0.881159420289855 x 100 = -88.12%