-95.48% is the change from 155 to 7
Calculation steps:
[( 7 - 155 ) ÷ 155] x 100 = -95.48%
Formula
Percentage change = [(7 - 155) / 155] x 100
Subtract the new number by the original number
7 - 155 = -148
-148 ÷ 155 = -0.9548387096774194
-0.9548387096774194 x 100 = -95.48%