-94.58% is the change from 664 to 36
Calculation steps:
[( 36 - 664 ) ÷ 664] x 100 = -94.58%
Formula
Percentage change = [(36 - 664) / 664] x 100
Subtract the new number by the original number
36 - 664 = -628
-628 ÷ 664 = -0.9457831325301205
-0.9457831325301205 x 100 = -94.58%