-67.7% is the change from 771 to 249
Calculation steps:
[( 249 - 771 ) ÷ 771] x 100 = -67.7%
Formula
Percentage change = [(249 - 771) / 771] x 100
Subtract the new number by the original number
249 - 771 = -522
-522 ÷ 771 = -0.6770428015564203
-0.6770428015564203 x 100 = -67.7%