-31.05% is the change from 583 to 402
Calculation steps:
[( 402 - 583 ) ÷ 583] x 100 = -31.05%
Formula
Percentage change = [(402 - 583) / 583] x 100
Subtract the new number by the original number
402 - 583 = -181
-181 ÷ 583 = -0.31046312178387653
-0.31046312178387653 x 100 = -31.05%