-73.42% is the change from 824 to 219
Calculation steps:
[( 219 - 824 ) ÷ 824] x 100 = -73.42%
Formula
Percentage change = [(219 - 824) / 824] x 100
Subtract the new number by the original number
219 - 824 = -605
-605 ÷ 824 = -0.7342233009708737
-0.7342233009708737 x 100 = -73.42%