-14.76% is the change from 664 to 566
Calculation steps:
[( 566 - 664 ) ÷ 664] x 100 = -14.76%
Formula
Percentage change = [(566 - 664) / 664] x 100
Subtract the new number by the original number
566 - 664 = -98
-98 ÷ 664 = -0.14759036144578314
-0.14759036144578314 x 100 = -14.76%