-63.27% is the change from 49 to 18
Calculation steps:
[( 18 - 49 ) ÷ 49] x 100 = -63.27%
Formula
Percentage change = [(18 - 49) / 49] x 100
Subtract the new number by the original number
18 - 49 = -31
-31 ÷ 49 = -0.6326530612244898
-0.6326530612244898 x 100 = -63.27%