-55.85% is the change from 487 to 215
Calculation steps:
[( 215 - 487 ) ÷ 487] x 100 = -55.85%
Formula
Percentage change = [(215 - 487) / 487] x 100
Subtract the new number by the original number
215 - 487 = -272
-272 ÷ 487 = -0.5585215605749486
-0.5585215605749486 x 100 = -55.85%