-85.11% is the change from 638 to 95
Calculation steps:
[( 95 - 638 ) ÷ 638] x 100 = -85.11%
Formula
Percentage change = [(95 - 638) / 638] x 100
Subtract the new number by the original number
95 - 638 = -543
-543 ÷ 638 = -0.8510971786833855
-0.8510971786833855 x 100 = -85.11%