-73.2% is the change from 541 to 145
Calculation steps:
[( 145 - 541 ) ÷ 541] x 100 = -73.2%
Formula
Percentage change = [(145 - 541) / 541] x 100
Subtract the new number by the original number
145 - 541 = -396
-396 ÷ 541 = -0.7319778188539742
-0.7319778188539742 x 100 = -73.2%