-77.23% is the change from 650 to 148
Calculation steps:
[( 148 - 650 ) ÷ 650] x 100 = -77.23%
Formula
Percentage change = [(148 - 650) / 650] x 100
Subtract the new number by the original number
148 - 650 = -502
-502 ÷ 650 = -0.7723076923076924
-0.7723076923076924 x 100 = -77.23%