-30.76% is the change from 907 to 628
Calculation steps:
[( 628 - 907 ) ÷ 907] x 100 = -30.76%
Formula
Percentage change = [(628 - 907) / 907] x 100
Subtract the new number by the original number
628 - 907 = -279
-279 ÷ 907 = -0.30760749724366043
-0.30760749724366043 x 100 = -30.76%