-35.68% is the change from 964 to 620
Calculation steps:
[( 620 - 964 ) ÷ 964] x 100 = -35.68%
Formula
Percentage change = [(620 - 964) / 964] x 100
Subtract the new number by the original number
620 - 964 = -344
-344 ÷ 964 = -0.35684647302904565
-0.35684647302904565 x 100 = -35.68%