-64.23% is the change from 601 to 215
Calculation steps:
[( 215 - 601 ) ÷ 601] x 100 = -64.23%
Formula
Percentage change = [(215 - 601) / 601] x 100
Subtract the new number by the original number
215 - 601 = -386
-386 ÷ 601 = -0.6422628951747088
-0.6422628951747088 x 100 = -64.23%