-84.66% is the change from 541 to 83
Calculation steps:
[( 83 - 541 ) ÷ 541] x 100 = -84.66%
Formula
Percentage change = [(83 - 541) / 541] x 100
Subtract the new number by the original number
83 - 541 = -458
-458 ÷ 541 = -0.8465804066543438
-0.8465804066543438 x 100 = -84.66%