-30.87% is the change from 771 to 533
Calculation steps:
[( 533 - 771 ) ÷ 771] x 100 = -30.87%
Formula
Percentage change = [(533 - 771) / 771] x 100
Subtract the new number by the original number
533 - 771 = -238
-238 ÷ 771 = -0.3086900129701686
-0.3086900129701686 x 100 = -30.87%