-38.93% is the change from 149 to 91
Calculation steps:
[( 91 - 149 ) ÷ 149] x 100 = -38.93%
Formula
Percentage change = [(91 - 149) / 149] x 100
Subtract the new number by the original number
91 - 149 = -58
-58 ÷ 149 = -0.38926174496644295
-0.38926174496644295 x 100 = -38.93%