-97.93% is the change from 627 to 13
Calculation steps:
[( 13 - 627 ) ÷ 627] x 100 = -97.93%
Formula
Percentage change = [(13 - 627) / 627] x 100
Subtract the new number by the original number
13 - 627 = -614
-614 ÷ 627 = -0.9792663476874003
-0.9792663476874003 x 100 = -97.93%