-63.93% is the change from 596 to 215
Calculation steps:
[( 215 - 596 ) ÷ 596] x 100 = -63.93%
Formula
Percentage change = [(215 - 596) / 596] x 100
Subtract the new number by the original number
215 - 596 = -381
-381 ÷ 596 = -0.639261744966443
-0.639261744966443 x 100 = -63.93%