-96.71% is the change from 547 to 18
Calculation steps:
[( 18 - 547 ) ÷ 547] x 100 = -96.71%
Formula
Percentage change = [(18 - 547) / 547] x 100
Subtract the new number by the original number
18 - 547 = -529
-529 ÷ 547 = -0.9670932358318098
-0.9670932358318098 x 100 = -96.71%