-92.65% is the change from 245 to 18
Calculation steps:
[( 18 - 245 ) ÷ 245] x 100 = -92.65%
Formula
Percentage change = [(18 - 245) / 245] x 100
Subtract the new number by the original number
18 - 245 = -227
-227 ÷ 245 = -0.926530612244898
-0.926530612244898 x 100 = -92.65%