-89.2% is the change from 722 to 78
Calculation steps:
[( 78 - 722 ) ÷ 722] x 100 = -89.2%
Formula
Percentage change = [(78 - 722) / 722] x 100
Subtract the new number by the original number
78 - 722 = -644
-644 ÷ 722 = -0.8919667590027701
-0.8919667590027701 x 100 = -89.2%