-75.07% is the change from 690 to 172
Calculation steps:
[( 172 - 690 ) ÷ 690] x 100 = -75.07%
Formula
Percentage change = [(172 - 690) / 690] x 100
Subtract the new number by the original number
172 - 690 = -518
-518 ÷ 690 = -0.7507246376811594
-0.7507246376811594 x 100 = -75.07%