-84.92% is the change from 842 to 127
Calculation steps:
[( 127 - 842 ) ÷ 842] x 100 = -84.92%
Formula
Percentage change = [(127 - 842) / 842] x 100
Subtract the new number by the original number
127 - 842 = -715
-715 ÷ 842 = -0.8491686460807601
-0.8491686460807601 x 100 = -84.92%