-30.49% is the change from 597 to 415
Calculation steps:
[( 415 - 597 ) ÷ 597] x 100 = -30.49%
Formula
Percentage change = [(415 - 597) / 597] x 100
Subtract the new number by the original number
415 - 597 = -182
-182 ÷ 597 = -0.304857621440536
-0.304857621440536 x 100 = -30.49%