-76.37% is the change from 656 to 155
Calculation steps:
[( 155 - 656 ) ÷ 656] x 100 = -76.37%
Formula
Percentage change = [(155 - 656) / 656] x 100
Subtract the new number by the original number
155 - 656 = -501
-501 ÷ 656 = -0.7637195121951219
-0.7637195121951219 x 100 = -76.37%