-41.12% is the change from 771 to 454
Calculation steps:
[( 454 - 771 ) ÷ 771] x 100 = -41.12%
Formula
Percentage change = [(454 - 771) / 771] x 100
Subtract the new number by the original number
454 - 771 = -317
-317 ÷ 771 = -0.41115434500648507
-0.41115434500648507 x 100 = -41.12%