-74.19% is the change from 837 to 216
Calculation steps:
[( 216 - 837 ) ÷ 837] x 100 = -74.19%
Formula
Percentage change = [(216 - 837) / 837] x 100
Subtract the new number by the original number
216 - 837 = -621
-621 ÷ 837 = -0.7419354838709677
-0.7419354838709677 x 100 = -74.19%