-67.44% is the change from 771 to 251
Calculation steps:
[( 251 - 771 ) ÷ 771] x 100 = -67.44%
Formula
Percentage change = [(251 - 771) / 771] x 100
Subtract the new number by the original number
251 - 771 = -520
-520 ÷ 771 = -0.6744487678339819
-0.6744487678339819 x 100 = -67.44%