-36.93% is the change from 983 to 620
Calculation steps:
[( 620 - 983 ) ÷ 983] x 100 = -36.93%
Formula
Percentage change = [(620 - 983) / 983] x 100
Subtract the new number by the original number
620 - 983 = -363
-363 ÷ 983 = -0.36927772126144454
-0.36927772126144454 x 100 = -36.93%