-46.42% is the change from 405 to 217
Calculation steps:
[( 217 - 405 ) ÷ 405] x 100 = -46.42%
Formula
Percentage change = [(217 - 405) / 405] x 100
Subtract the new number by the original number
217 - 405 = -188
-188 ÷ 405 = -0.4641975308641975
-0.4641975308641975 x 100 = -46.42%