-7.61% is the change from 880 to 813
Calculation steps:
[( 813 - 880 ) ÷ 880] x 100 = -7.61%
Formula
Percentage change = [(813 - 880) / 880] x 100
Subtract the new number by the original number
813 - 880 = -67
-67 ÷ 880 = -0.07613636363636364
-0.07613636363636364 x 100 = -7.61%