-42.11% is the change from 209 to 121
Calculation steps:
[( 121 - 209 ) ÷ 209] x 100 = -42.11%
Formula
Percentage change = [(121 - 209) / 209] x 100
Subtract the new number by the original number
121 - 209 = -88
-88 ÷ 209 = -0.42105263157894735
-0.42105263157894735 x 100 = -42.11%