-73.99% is the change from 838 to 218
Calculation steps:
[( 218 - 838 ) ÷ 838] x 100 = -73.99%
Formula
Percentage change = [(218 - 838) / 838] x 100
Subtract the new number by the original number
218 - 838 = -620
-620 ÷ 838 = -0.7398568019093079
-0.7398568019093079 x 100 = -73.99%