-20.51% is the change from 790 to 628
Calculation steps:
[( 628 - 790 ) ÷ 790] x 100 = -20.51%
Formula
Percentage change = [(628 - 790) / 790] x 100
Subtract the new number by the original number
628 - 790 = -162
-162 ÷ 790 = -0.20506329113924052
-0.20506329113924052 x 100 = -20.51%