-27.94% is the change from 637 to 459
Calculation steps:
[( 459 - 637 ) ÷ 637] x 100 = -27.94%
Formula
Percentage change = [(459 - 637) / 637] x 100
Subtract the new number by the original number
459 - 637 = -178
-178 ÷ 637 = -0.2794348508634223
-0.2794348508634223 x 100 = -27.94%