-29.2% is the change from 880 to 623
Calculation steps:
[( 623 - 880 ) ÷ 880] x 100 = -29.2%
Formula
Percentage change = [(623 - 880) / 880] x 100
Subtract the new number by the original number
623 - 880 = -257
-257 ÷ 880 = -0.29204545454545455
-0.29204545454545455 x 100 = -29.2%