-93.33% is the change from 150 to 10
Calculation steps:
[( 10 - 150 ) ÷ 150] x 100 = -93.33%
Formula
Percentage change = [(10 - 150) / 150] x 100
Subtract the new number by the original number
10 - 150 = -140
-140 ÷ 150 = -0.9333333333333333
-0.9333333333333333 x 100 = -93.33%