-67.7% is the change from 842 to 272
Calculation steps:
[( 272 - 842 ) ÷ 842] x 100 = -67.7%
Formula
Percentage change = [(272 - 842) / 842] x 100
Subtract the new number by the original number
272 - 842 = -570
-570 ÷ 842 = -0.6769596199524941
-0.6769596199524941 x 100 = -67.7%