-85.92% is the change from 213 to 30
Calculation steps:
[( 30 - 213 ) ÷ 213] x 100 = -85.92%
Formula
Percentage change = [(30 - 213) / 213] x 100
Subtract the new number by the original number
30 - 213 = -183
-183 ÷ 213 = -0.8591549295774648
-0.8591549295774648 x 100 = -85.92%