-84.2% is the change from 772 to 122
Calculation steps:
[( 122 - 772 ) ÷ 772] x 100 = -84.2%
Formula
Percentage change = [(122 - 772) / 772] x 100
Subtract the new number by the original number
122 - 772 = -650
-650 ÷ 772 = -0.8419689119170984
-0.8419689119170984 x 100 = -84.2%