-49.77% is the change from 436 to 219
Calculation steps:
[( 219 - 436 ) ÷ 436] x 100 = -49.77%
Formula
Percentage change = [(219 - 436) / 436] x 100
Subtract the new number by the original number
219 - 436 = -217
-217 ÷ 436 = -0.49770642201834864
-0.49770642201834864 x 100 = -49.77%