-37.01% is the change from 997 to 628
Calculation steps:
[( 628 - 997 ) ÷ 997] x 100 = -37.01%
Formula
Percentage change = [(628 - 997) / 997] x 100
Subtract the new number by the original number
628 - 997 = -369
-369 ÷ 997 = -0.37011033099297896
-0.37011033099297896 x 100 = -37.01%