-55.25% is the change from 771 to 345
Calculation steps:
[( 345 - 771 ) ÷ 771] x 100 = -55.25%
Formula
Percentage change = [(345 - 771) / 771] x 100
Subtract the new number by the original number
345 - 771 = -426
-426 ÷ 771 = -0.5525291828793775
-0.5525291828793775 x 100 = -55.25%