-75.21% is the change from 597 to 148
Calculation steps:
[( 148 - 597 ) ÷ 597] x 100 = -75.21%
Formula
Percentage change = [(148 - 597) / 597] x 100
Subtract the new number by the original number
148 - 597 = -449
-449 ÷ 597 = -0.7520938023450586
-0.7520938023450586 x 100 = -75.21%