689.16% is the change from 83 to 655
Calculation steps:
[( 655 - 83 ) ÷ 83] x 100 = 689.16%
Formula
Percentage change = [(655 - 83) / 83] x 100
Subtract the new number by the original number
655 - 83 = 572
572 ÷ 83 = 6.891566265060241
6.891566265060241 x 100 = 689.16%