665.06% is the change from 83 to 635
Calculation steps:
[( 635 - 83 ) ÷ 83] x 100 = 665.06%
Formula
Percentage change = [(635 - 83) / 83] x 100
Subtract the new number by the original number
635 - 83 = 552
552 ÷ 83 = 6.650602409638554
6.650602409638554 x 100 = 665.06%