-89.14% is the change from 718 to 78
Calculation steps:
[( 78 - 718 ) ÷ 718] x 100 = -89.14%
Formula
Percentage change = [(78 - 718) / 718] x 100
Subtract the new number by the original number
78 - 718 = -640
-640 ÷ 718 = -0.8913649025069638
-0.8913649025069638 x 100 = -89.14%