-31.26% is the change from 771 to 530
Calculation steps:
[( 530 - 771 ) ÷ 771] x 100 = -31.26%
Formula
Percentage change = [(530 - 771) / 771] x 100
Subtract the new number by the original number
530 - 771 = -241
-241 ÷ 771 = -0.3125810635538262
-0.3125810635538262 x 100 = -31.26%