-67.24% is the change from 635 to 208
Calculation steps:
[( 208 - 635 ) ÷ 635] x 100 = -67.24%
Formula
Percentage change = [(208 - 635) / 635] x 100
Subtract the new number by the original number
208 - 635 = -427
-427 ÷ 635 = -0.6724409448818898
-0.6724409448818898 x 100 = -67.24%