-8.07% is the change from 830 to 763
Calculation steps:
[( 763 - 830 ) ÷ 830] x 100 = -8.07%
Formula
Percentage change = [(763 - 830) / 830] x 100
Subtract the new number by the original number
763 - 830 = -67
-67 ÷ 830 = -0.08072289156626505
-0.08072289156626505 x 100 = -8.07%