-70.61% is the change from 541 to 159
Calculation steps:
[( 159 - 541 ) ÷ 541] x 100 = -70.61%
Formula
Percentage change = [(159 - 541) / 541] x 100
Subtract the new number by the original number
159 - 541 = -382
-382 ÷ 541 = -0.7060998151571165
-0.7060998151571165 x 100 = -70.61%