-8.43% is the change from 166 to 152
Calculation steps:
[( 152 - 166 ) ÷ 166] x 100 = -8.43%
Formula
Percentage change = [(152 - 166) / 166] x 100
Subtract the new number by the original number
152 - 166 = -14
-14 ÷ 166 = -0.08433734939759036
-0.08433734939759036 x 100 = -8.43%