-28.18% is the change from 770 to 553
Calculation steps:
[( 553 - 770 ) ÷ 770] x 100 = -28.18%
Formula
Percentage change = [(553 - 770) / 770] x 100
Subtract the new number by the original number
553 - 770 = -217
-217 ÷ 770 = -0.2818181818181818
-0.2818181818181818 x 100 = -28.18%