-31.83% is the change from 933 to 636
Calculation steps:
[( 636 - 933 ) ÷ 933] x 100 = -31.83%
Formula
Percentage change = [(636 - 933) / 933] x 100
Subtract the new number by the original number
636 - 933 = -297
-297 ÷ 933 = -0.3183279742765273
-0.3183279742765273 x 100 = -31.83%