686.76% is the change from 68 to 535
Calculation steps:
[( 535 - 68 ) ÷ 68] x 100 = 686.76%
Formula
Percentage change = [(535 - 68) / 68] x 100
Subtract the new number by the original number
535 - 68 = 467
467 ÷ 68 = 6.867647058823529
6.867647058823529 x 100 = 686.76%