-79.25% is the change from 747 to 155
Calculation steps:
[( 155 - 747 ) ÷ 747] x 100 = -79.25%
Formula
Percentage change = [(155 - 747) / 747] x 100
Subtract the new number by the original number
155 - 747 = -592
-592 ÷ 747 = -0.7925033467202142
-0.7925033467202142 x 100 = -79.25%