-10.08% is the change from 635 to 571
Calculation steps:
[( 571 - 635 ) ÷ 635] x 100 = -10.08%
Formula
Percentage change = [(571 - 635) / 635] x 100
Subtract the new number by the original number
571 - 635 = -64
-64 ÷ 635 = -0.10078740157480315
-0.10078740157480315 x 100 = -10.08%