-77.1% is the change from 751 to 172
Calculation steps:
[( 172 - 751 ) ÷ 751] x 100 = -77.1%
Formula
Percentage change = [(172 - 751) / 751] x 100
Subtract the new number by the original number
172 - 751 = -579
-579 ÷ 751 = -0.7709720372836218
-0.7709720372836218 x 100 = -77.1%