-49.54% is the change from 436 to 220
Calculation steps:
[( 220 - 436 ) ÷ 436] x 100 = -49.54%
Formula
Percentage change = [(220 - 436) / 436] x 100
Subtract the new number by the original number
220 - 436 = -216
-216 ÷ 436 = -0.4954128440366973
-0.4954128440366973 x 100 = -49.54%