-75.7% is the change from 609 to 148
Calculation steps:
[( 148 - 609 ) ÷ 609] x 100 = -75.7%
Formula
Percentage change = [(148 - 609) / 609] x 100
Subtract the new number by the original number
148 - 609 = -461
-461 ÷ 609 = -0.7569786535303776
-0.7569786535303776 x 100 = -75.7%