-41.18% is the change from 828 to 487
Calculation steps:
[( 487 - 828 ) ÷ 828] x 100 = -41.18%
Formula
Percentage change = [(487 - 828) / 828] x 100
Subtract the new number by the original number
487 - 828 = -341
-341 ÷ 828 = -0.41183574879227053
-0.41183574879227053 x 100 = -41.18%