-77.48% is the change from 635 to 143
Calculation steps:
[( 143 - 635 ) ÷ 635] x 100 = -77.48%
Formula
Percentage change = [(143 - 635) / 635] x 100
Subtract the new number by the original number
143 - 635 = -492
-492 ÷ 635 = -0.7748031496062993
-0.7748031496062993 x 100 = -77.48%