-77.56% is the change from 673 to 151
Calculation steps:
[( 151 - 673 ) ÷ 673] x 100 = -77.56%
Formula
Percentage change = [(151 - 673) / 673] x 100
Subtract the new number by the original number
151 - 673 = -522
-522 ÷ 673 = -0.7756315007429421
-0.7756315007429421 x 100 = -77.56%