-6.64% is the change from 633 to 591
Calculation steps:
[( 591 - 633 ) ÷ 633] x 100 = -6.64%
Formula
Percentage change = [(591 - 633) / 633] x 100
Subtract the new number by the original number
591 - 633 = -42
-42 ÷ 633 = -0.06635071090047394
-0.06635071090047394 x 100 = -6.64%