656.63% is the change from 83 to 628
Calculation steps:
[( 628 - 83 ) ÷ 83] x 100 = 656.63%
Formula
Percentage change = [(628 - 83) / 83] x 100
Subtract the new number by the original number
628 - 83 = 545
545 ÷ 83 = 6.566265060240964
6.566265060240964 x 100 = 656.63%