-30.61% is the change from 771 to 535
Calculation steps:
[( 535 - 771 ) ÷ 771] x 100 = -30.61%
Formula
Percentage change = [(535 - 771) / 771] x 100
Subtract the new number by the original number
535 - 771 = -236
-236 ÷ 771 = -0.30609597924773024
-0.30609597924773024 x 100 = -30.61%