-4.46% is the change from 157 to 150
Calculation steps:
[( 150 - 157 ) ÷ 157] x 100 = -4.46%
Formula
Percentage change = [(150 - 157) / 157] x 100
Subtract the new number by the original number
150 - 157 = -7
-7 ÷ 157 = -0.044585987261146494
-0.044585987261146494 x 100 = -4.46%