-6.43% is the change from 809 to 757
Calculation steps:
[( 757 - 809 ) ÷ 809] x 100 = -6.43%
Formula
Percentage change = [(757 - 809) / 809] x 100
Subtract the new number by the original number
757 - 809 = -52
-52 ÷ 809 = -0.06427688504326329
-0.06427688504326329 x 100 = -6.43%