-79.64% is the change from 776 to 158
Calculation steps:
[( 158 - 776 ) ÷ 776] x 100 = -79.64%
Formula
Percentage change = [(158 - 776) / 776] x 100
Subtract the new number by the original number
158 - 776 = -618
-618 ÷ 776 = -0.7963917525773195
-0.7963917525773195 x 100 = -79.64%