-61.26% is the change from 555 to 215
Calculation steps:
[( 215 - 555 ) ÷ 555] x 100 = -61.26%
Formula
Percentage change = [(215 - 555) / 555] x 100
Subtract the new number by the original number
215 - 555 = -340
-340 ÷ 555 = -0.6126126126126126
-0.6126126126126126 x 100 = -61.26%