-43.71% is the change from 771 to 434
Calculation steps:
[( 434 - 771 ) ÷ 771] x 100 = -43.71%
Formula
Percentage change = [(434 - 771) / 771] x 100
Subtract the new number by the original number
434 - 771 = -337
-337 ÷ 771 = -0.437094682230869
-0.437094682230869 x 100 = -43.71%