-26.47% is the change from 903 to 664
Calculation steps:
[( 664 - 903 ) ÷ 903] x 100 = -26.47%
Formula
Percentage change = [(664 - 903) / 903] x 100
Subtract the new number by the original number
664 - 903 = -239
-239 ÷ 903 = -0.2646733111849391
-0.2646733111849391 x 100 = -26.47%