-24.18% is the change from 637 to 483
Calculation steps:
[( 483 - 637 ) ÷ 637] x 100 = -24.18%
Formula
Percentage change = [(483 - 637) / 637] x 100
Subtract the new number by the original number
483 - 637 = -154
-154 ÷ 637 = -0.24175824175824176
-0.24175824175824176 x 100 = -24.18%