-90.61% is the change from 213 to 20
Calculation steps:
[( 20 - 213 ) ÷ 213] x 100 = -90.61%
Formula
Percentage change = [(20 - 213) / 213] x 100
Subtract the new number by the original number
20 - 213 = -193
-193 ÷ 213 = -0.9061032863849765
-0.9061032863849765 x 100 = -90.61%