-85.58% is the change from 541 to 78
Calculation steps:
[( 78 - 541 ) ÷ 541] x 100 = -85.58%
Formula
Percentage change = [(78 - 541) / 541] x 100
Subtract the new number by the original number
78 - 541 = -463
-463 ÷ 541 = -0.8558225508317929
-0.8558225508317929 x 100 = -85.58%