-67.34% is the change from 842 to 275
Calculation steps:
[( 275 - 842 ) ÷ 842] x 100 = -67.34%
Formula
Percentage change = [(275 - 842) / 842] x 100
Subtract the new number by the original number
275 - 842 = -567
-567 ÷ 842 = -0.6733966745843231
-0.6733966745843231 x 100 = -67.34%