-61.33% is the change from 556 to 215
Calculation steps:
[( 215 - 556 ) ÷ 556] x 100 = -61.33%
Formula
Percentage change = [(215 - 556) / 556] x 100
Subtract the new number by the original number
215 - 556 = -341
-341 ÷ 556 = -0.6133093525179856
-0.6133093525179856 x 100 = -61.33%