-19.72% is the change from 776 to 623
Calculation steps:
[( 623 - 776 ) ÷ 776] x 100 = -19.72%
Formula
Percentage change = [(623 - 776) / 776] x 100
Subtract the new number by the original number
623 - 776 = -153
-153 ÷ 776 = -0.19716494845360824
-0.19716494845360824 x 100 = -19.72%