-46.38% is the change from 401 to 215
Calculation steps:
[( 215 - 401 ) ÷ 401] x 100 = -46.38%
Formula
Percentage change = [(215 - 401) / 401] x 100
Subtract the new number by the original number
215 - 401 = -186
-186 ÷ 401 = -0.46384039900249374
-0.46384039900249374 x 100 = -46.38%