-60.62% is the change from 546 to 215
Calculation steps:
[( 215 - 546 ) ÷ 546] x 100 = -60.62%
Formula
Percentage change = [(215 - 546) / 546] x 100
Subtract the new number by the original number
215 - 546 = -331
-331 ÷ 546 = -0.6062271062271062
-0.6062271062271062 x 100 = -60.62%