-78.02% is the change from 232 to 51
Calculation steps:
[( 51 - 232 ) ÷ 232] x 100 = -78.02%
Formula
Percentage change = [(51 - 232) / 232] x 100
Subtract the new number by the original number
51 - 232 = -181
-181 ÷ 232 = -0.7801724137931034
-0.7801724137931034 x 100 = -78.02%