-6.96% is the change from 647 to 602
Calculation steps:
[( 602 - 647 ) ÷ 647] x 100 = -6.96%
Formula
Percentage change = [(602 - 647) / 647] x 100
Subtract the new number by the original number
602 - 647 = -45
-45 ÷ 647 = -0.0695517774343122
-0.0695517774343122 x 100 = -6.96%