-14.06% is the change from 747 to 642
Calculation steps:
[( 642 - 747 ) ÷ 747] x 100 = -14.06%
Formula
Percentage change = [(642 - 747) / 747] x 100
Subtract the new number by the original number
642 - 747 = -105
-105 ÷ 747 = -0.14056224899598393
-0.14056224899598393 x 100 = -14.06%