-76.15% is the change from 675 to 161
Calculation steps:
[( 161 - 675 ) ÷ 675] x 100 = -76.15%
Formula
Percentage change = [(161 - 675) / 675] x 100
Subtract the new number by the original number
161 - 675 = -514
-514 ÷ 675 = -0.7614814814814815
-0.7614814814814815 x 100 = -76.15%