-36.23% is the change from 988 to 630
Calculation steps:
[( 630 - 988 ) ÷ 988] x 100 = -36.23%
Formula
Percentage change = [(630 - 988) / 988] x 100
Subtract the new number by the original number
630 - 988 = -358
-358 ÷ 988 = -0.3623481781376518
-0.3623481781376518 x 100 = -36.23%