-85.17% is the change from 634 to 94
Calculation steps:
[( 94 - 634 ) ÷ 634] x 100 = -85.17%
Formula
Percentage change = [(94 - 634) / 634] x 100
Subtract the new number by the original number
94 - 634 = -540
-540 ÷ 634 = -0.8517350157728707
-0.8517350157728707 x 100 = -85.17%