-92.44% is the change from 238 to 18
Calculation steps:
[( 18 - 238 ) ÷ 238] x 100 = -92.44%
Formula
Percentage change = [(18 - 238) / 238] x 100
Subtract the new number by the original number
18 - 238 = -220
-220 ÷ 238 = -0.9243697478991597
-0.9243697478991597 x 100 = -92.44%