-61.08% is the change from 555 to 216
Calculation steps:
[( 216 - 555 ) ÷ 555] x 100 = -61.08%
Formula
Percentage change = [(216 - 555) / 555] x 100
Subtract the new number by the original number
216 - 555 = -339
-339 ÷ 555 = -0.6108108108108108
-0.6108108108108108 x 100 = -61.08%