-15.05% is the change from 751 to 638
Calculation steps:
[( 638 - 751 ) ÷ 751] x 100 = -15.05%
Formula
Percentage change = [(638 - 751) / 751] x 100
Subtract the new number by the original number
638 - 751 = -113
-113 ÷ 751 = -0.15046604527296936
-0.15046604527296936 x 100 = -15.05%