-73.87% is the change from 666 to 174
Calculation steps:
[( 174 - 666 ) ÷ 666] x 100 = -73.87%
Formula
Percentage change = [(174 - 666) / 666] x 100
Subtract the new number by the original number
174 - 666 = -492
-492 ÷ 666 = -0.7387387387387387
-0.7387387387387387 x 100 = -73.87%