-36.23% is the change from 541 to 345
Calculation steps:
[( 345 - 541 ) ÷ 541] x 100 = -36.23%
Formula
Percentage change = [(345 - 541) / 541] x 100
Subtract the new number by the original number
345 - 541 = -196
-196 ÷ 541 = -0.36229205175600737
-0.36229205175600737 x 100 = -36.23%