-73.84% is the change from 837 to 219
Calculation steps:
[( 219 - 837 ) ÷ 837] x 100 = -73.84%
Formula
Percentage change = [(219 - 837) / 837] x 100
Subtract the new number by the original number
219 - 837 = -618
-618 ÷ 837 = -0.7383512544802867
-0.7383512544802867 x 100 = -73.84%