-30.4% is the change from 773 to 538
Calculation steps:
[( 538 - 773 ) ÷ 773] x 100 = -30.4%
Formula
Percentage change = [(538 - 773) / 773] x 100
Subtract the new number by the original number
538 - 773 = -235
-235 ÷ 773 = -0.3040103492884864
-0.3040103492884864 x 100 = -30.4%