-95.45% is the change from 637 to 29
Calculation steps:
[( 29 - 637 ) ÷ 637] x 100 = -95.45%
Formula
Percentage change = [(29 - 637) / 637] x 100
Subtract the new number by the original number
29 - 637 = -608
-608 ÷ 637 = -0.9544740973312402
-0.9544740973312402 x 100 = -95.45%