-14.16% is the change from 664 to 570
Calculation steps:
[( 570 - 664 ) ÷ 664] x 100 = -14.16%
Formula
Percentage change = [(570 - 664) / 664] x 100
Subtract the new number by the original number
570 - 664 = -94
-94 ÷ 664 = -0.14156626506024098
-0.14156626506024098 x 100 = -14.16%