-92.34% is the change from 235 to 18
Calculation steps:
[( 18 - 235 ) ÷ 235] x 100 = -92.34%
Formula
Percentage change = [(18 - 235) / 235] x 100
Subtract the new number by the original number
18 - 235 = -217
-217 ÷ 235 = -0.9234042553191489
-0.9234042553191489 x 100 = -92.34%