-78.84% is the change from 241 to 51
Calculation steps:
[( 51 - 241 ) ÷ 241] x 100 = -78.84%
Formula
Percentage change = [(51 - 241) / 241] x 100
Subtract the new number by the original number
51 - 241 = -190
-190 ÷ 241 = -0.7883817427385892
-0.7883817427385892 x 100 = -78.84%