-36.48% is the change from 976 to 620
Calculation steps:
[( 620 - 976 ) ÷ 976] x 100 = -36.48%
Formula
Percentage change = [(620 - 976) / 976] x 100
Subtract the new number by the original number
620 - 976 = -356
-356 ÷ 976 = -0.36475409836065575
-0.36475409836065575 x 100 = -36.48%