-85.31% is the change from 633 to 93
Calculation steps:
[( 93 - 633 ) ÷ 633] x 100 = -85.31%
Formula
Percentage change = [(93 - 633) / 633] x 100
Subtract the new number by the original number
93 - 633 = -540
-540 ÷ 633 = -0.8530805687203792
-0.8530805687203792 x 100 = -85.31%