-30.48% is the change from 771 to 536
Calculation steps:
[( 536 - 771 ) ÷ 771] x 100 = -30.48%
Formula
Percentage change = [(536 - 771) / 771] x 100
Subtract the new number by the original number
536 - 771 = -235
-235 ÷ 771 = -0.30479896238651105
-0.30479896238651105 x 100 = -30.48%