-67.62% is the change from 843 to 273
Calculation steps:
[( 273 - 843 ) ÷ 843] x 100 = -67.62%
Formula
Percentage change = [(273 - 843) / 843] x 100
Subtract the new number by the original number
273 - 843 = -570
-570 ÷ 843 = -0.6761565836298933
-0.6761565836298933 x 100 = -67.62%