-98.71% is the change from 541 to 7
Calculation steps:
[( 7 - 541 ) ÷ 541] x 100 = -98.71%
Formula
Percentage change = [(7 - 541) / 541] x 100
Subtract the new number by the original number
7 - 541 = -534
-534 ÷ 541 = -0.9870609981515711
-0.9870609981515711 x 100 = -98.71%