-35.58% is the change from 964 to 621
Calculation steps:
[( 621 - 964 ) ÷ 964] x 100 = -35.58%
Formula
Percentage change = [(621 - 964) / 964] x 100
Subtract the new number by the original number
621 - 964 = -343
-343 ÷ 964 = -0.3558091286307054
-0.3558091286307054 x 100 = -35.58%