-34.44% is the change from 151 to 99
Calculation steps:
[( 99 - 151 ) ÷ 151] x 100 = -34.44%
Formula
Percentage change = [(99 - 151) / 151] x 100
Subtract the new number by the original number
99 - 151 = -52
-52 ÷ 151 = -0.3443708609271523
-0.3443708609271523 x 100 = -34.44%