-67.92% is the change from 851 to 273
Calculation steps:
[( 273 - 851 ) ÷ 851] x 100 = -67.92%
Formula
Percentage change = [(273 - 851) / 851] x 100
Subtract the new number by the original number
273 - 851 = -578
-578 ÷ 851 = -0.6792009400705052
-0.6792009400705052 x 100 = -67.92%