-30.52% is the change from 770 to 535
Calculation steps:
[( 535 - 770 ) ÷ 770] x 100 = -30.52%
Formula
Percentage change = [(535 - 770) / 770] x 100
Subtract the new number by the original number
535 - 770 = -235
-235 ÷ 770 = -0.3051948051948052
-0.3051948051948052 x 100 = -30.52%