-96.74% is the change from 552 to 18
Calculation steps:
[( 18 - 552 ) ÷ 552] x 100 = -96.74%
Formula
Percentage change = [(18 - 552) / 552] x 100
Subtract the new number by the original number
18 - 552 = -534
-534 ÷ 552 = -0.967391304347826
-0.967391304347826 x 100 = -96.74%