-96.49% is the change from 541 to 19
Calculation steps:
[( 19 - 541 ) ÷ 541] x 100 = -96.49%
Formula
Percentage change = [(19 - 541) / 541] x 100
Subtract the new number by the original number
19 - 541 = -522
-522 ÷ 541 = -0.9648798521256932
-0.9648798521256932 x 100 = -96.49%