-30.26% is the change from 770 to 537
Calculation steps:
[( 537 - 770 ) ÷ 770] x 100 = -30.26%
Formula
Percentage change = [(537 - 770) / 770] x 100
Subtract the new number by the original number
537 - 770 = -233
-233 ÷ 770 = -0.3025974025974026
-0.3025974025974026 x 100 = -30.26%