-30.61% is the change from 905 to 628
Calculation steps:
[( 628 - 905 ) ÷ 905] x 100 = -30.61%
Formula
Percentage change = [(628 - 905) / 905] x 100
Subtract the new number by the original number
628 - 905 = -277
-277 ÷ 905 = -0.3060773480662983
-0.3060773480662983 x 100 = -30.61%