-63.48% is the change from 597 to 218
Calculation steps:
[( 218 - 597 ) ÷ 597] x 100 = -63.48%
Formula
Percentage change = [(218 - 597) / 597] x 100
Subtract the new number by the original number
218 - 597 = -379
-379 ÷ 597 = -0.6348408710217756
-0.6348408710217756 x 100 = -63.48%