-9.67% is the change from 827 to 747
Calculation steps:
[( 747 - 827 ) ÷ 827] x 100 = -9.67%
Formula
Percentage change = [(747 - 827) / 827] x 100
Subtract the new number by the original number
747 - 827 = -80
-80 ÷ 827 = -0.09673518742442563
-0.09673518742442563 x 100 = -9.67%