-91.27% is the change from 229 to 20
Calculation steps:
[( 20 - 229 ) ÷ 229] x 100 = -91.27%
Formula
Percentage change = [(20 - 229) / 229] x 100
Subtract the new number by the original number
20 - 229 = -209
-209 ÷ 229 = -0.9126637554585153
-0.9126637554585153 x 100 = -91.27%