-29.57% is the change from 903 to 636
Calculation steps:
[( 636 - 903 ) ÷ 903] x 100 = -29.57%
Formula
Percentage change = [(636 - 903) / 903] x 100
Subtract the new number by the original number
636 - 903 = -267
-267 ÷ 903 = -0.2956810631229236
-0.2956810631229236 x 100 = -29.57%