628.99% is the change from 69 to 503
Calculation steps:
[( 503 - 69 ) ÷ 69] x 100 = 628.99%
Formula
Percentage change = [(503 - 69) / 69] x 100
Subtract the new number by the original number
503 - 69 = 434
434 ÷ 69 = 6.2898550724637685
6.2898550724637685 x 100 = 628.99%