-23.91% is the change from 824 to 627
Calculation steps:
[( 627 - 824 ) ÷ 824] x 100 = -23.91%
Formula
Percentage change = [(627 - 824) / 824] x 100
Subtract the new number by the original number
627 - 824 = -197
-197 ÷ 824 = -0.23907766990291263
-0.23907766990291263 x 100 = -23.91%