-49.89% is the change from 435 to 218
Calculation steps:
[( 218 - 435 ) ÷ 435] x 100 = -49.89%
Formula
Percentage change = [(218 - 435) / 435] x 100
Subtract the new number by the original number
218 - 435 = -217
-217 ÷ 435 = -0.49885057471264366
-0.49885057471264366 x 100 = -49.89%