-74.88% is the change from 203 to 51
Calculation steps:
[( 51 - 203 ) ÷ 203] x 100 = -74.88%
Formula
Percentage change = [(51 - 203) / 203] x 100
Subtract the new number by the original number
51 - 203 = -152
-152 ÷ 203 = -0.7487684729064039
-0.7487684729064039 x 100 = -74.88%