-61.81% is the change from 597 to 228
Calculation steps:
[( 228 - 597 ) ÷ 597] x 100 = -61.81%
Formula
Percentage change = [(228 - 597) / 597] x 100
Subtract the new number by the original number
228 - 597 = -369
-369 ÷ 597 = -0.6180904522613065
-0.6180904522613065 x 100 = -61.81%