-16.87% is the change from 747 to 621
Calculation steps:
[( 621 - 747 ) ÷ 747] x 100 = -16.87%
Formula
Percentage change = [(621 - 747) / 747] x 100
Subtract the new number by the original number
621 - 747 = -126
-126 ÷ 747 = -0.1686746987951807
-0.1686746987951807 x 100 = -16.87%