-32.55% is the change from 931 to 628
Calculation steps:
[( 628 - 931 ) ÷ 931] x 100 = -32.55%
Formula
Percentage change = [(628 - 931) / 931] x 100
Subtract the new number by the original number
628 - 931 = -303
-303 ÷ 931 = -0.32545649838882923
-0.32545649838882923 x 100 = -32.55%