-92.11% is the change from 228 to 18
Calculation steps:
[( 18 - 228 ) ÷ 228] x 100 = -92.11%
Formula
Percentage change = [(18 - 228) / 228] x 100
Subtract the new number by the original number
18 - 228 = -210
-210 ÷ 228 = -0.9210526315789473
-0.9210526315789473 x 100 = -92.11%