-49.89% is the change from 437 to 219
Calculation steps:
[( 219 - 437 ) ÷ 437] x 100 = -49.89%
Formula
Percentage change = [(219 - 437) / 437] x 100
Subtract the new number by the original number
219 - 437 = -218
-218 ÷ 437 = -0.4988558352402746
-0.4988558352402746 x 100 = -49.89%