-88.08% is the change from 151 to 18
Calculation steps:
[( 18 - 151 ) ÷ 151] x 100 = -88.08%
Formula
Percentage change = [(18 - 151) / 151] x 100
Subtract the new number by the original number
18 - 151 = -133
-133 ÷ 151 = -0.8807947019867549
-0.8807947019867549 x 100 = -88.08%