-43.19% is the change from 213 to 121
Calculation steps:
[( 121 - 213 ) ÷ 213] x 100 = -43.19%
Formula
Percentage change = [(121 - 213) / 213] x 100
Subtract the new number by the original number
121 - 213 = -92
-92 ÷ 213 = -0.431924882629108
-0.431924882629108 x 100 = -43.19%