-91.42% is the change from 233 to 20
Calculation steps:
[( 20 - 233 ) ÷ 233] x 100 = -91.42%
Formula
Percentage change = [(20 - 233) / 233] x 100
Subtract the new number by the original number
20 - 233 = -213
-213 ÷ 233 = -0.9141630901287554
-0.9141630901287554 x 100 = -91.42%