-79.69% is the change from 763 to 155
Calculation steps:
[( 155 - 763 ) ÷ 763] x 100 = -79.69%
Formula
Percentage change = [(155 - 763) / 763] x 100
Subtract the new number by the original number
155 - 763 = -608
-608 ÷ 763 = -0.7968545216251638
-0.7968545216251638 x 100 = -79.69%