-48.18% is the change from 303 to 157
Calculation steps:
[( 157 - 303 ) ÷ 303] x 100 = -48.18%
Formula
Percentage change = [(157 - 303) / 303] x 100
Subtract the new number by the original number
157 - 303 = -146
-146 ÷ 303 = -0.48184818481848185
-0.48184818481848185 x 100 = -48.18%