-67.38% is the change from 837 to 273
Calculation steps:
[( 273 - 837 ) ÷ 837] x 100 = -67.38%
Formula
Percentage change = [(273 - 837) / 837] x 100
Subtract the new number by the original number
273 - 837 = -564
-564 ÷ 837 = -0.6738351254480287
-0.6738351254480287 x 100 = -67.38%