-23.16% is the change from 816 to 627
Calculation steps:
[( 627 - 816 ) ÷ 816] x 100 = -23.16%
Formula
Percentage change = [(627 - 816) / 816] x 100
Subtract the new number by the original number
627 - 816 = -189
-189 ÷ 816 = -0.23161764705882354
-0.23161764705882354 x 100 = -23.16%