-34.18% is the change from 828 to 545
Calculation steps:
[( 545 - 828 ) ÷ 828] x 100 = -34.18%
Formula
Percentage change = [(545 - 828) / 828] x 100
Subtract the new number by the original number
545 - 828 = -283
-283 ÷ 828 = -0.3417874396135266
-0.3417874396135266 x 100 = -34.18%