-76.96% is the change from 664 to 153
Calculation steps:
[( 153 - 664 ) ÷ 664] x 100 = -76.96%
Formula
Percentage change = [(153 - 664) / 664] x 100
Subtract the new number by the original number
153 - 664 = -511
-511 ÷ 664 = -0.7695783132530121
-0.7695783132530121 x 100 = -76.96%