-50.17% is the change from 303 to 151
Calculation steps:
[( 151 - 303 ) ÷ 303] x 100 = -50.17%
Formula
Percentage change = [(151 - 303) / 303] x 100
Subtract the new number by the original number
151 - 303 = -152
-152 ÷ 303 = -0.5016501650165016
-0.5016501650165016 x 100 = -50.17%