-57.33% is the change from 771 to 329
Calculation steps:
[( 329 - 771 ) ÷ 771] x 100 = -57.33%
Formula
Percentage change = [(329 - 771) / 771] x 100
Subtract the new number by the original number
329 - 771 = -442
-442 ÷ 771 = -0.5732814526588845
-0.5732814526588845 x 100 = -57.33%