-90.02% is the change from 541 to 54
Calculation steps:
[( 54 - 541 ) ÷ 541] x 100 = -90.02%
Formula
Percentage change = [(54 - 541) / 541] x 100
Subtract the new number by the original number
54 - 541 = -487
-487 ÷ 541 = -0.9001848428835489
-0.9001848428835489 x 100 = -90.02%