-35.89% is the change from 989 to 634
Calculation steps:
[( 634 - 989 ) ÷ 989] x 100 = -35.89%
Formula
Percentage change = [(634 - 989) / 989] x 100
Subtract the new number by the original number
634 - 989 = -355
-355 ÷ 989 = -0.358948432760364
-0.358948432760364 x 100 = -35.89%