-85.71% is the change from 357 to 51
Calculation steps:
[( 51 - 357 ) ÷ 357] x 100 = -85.71%
Formula
Percentage change = [(51 - 357) / 357] x 100
Subtract the new number by the original number
51 - 357 = -306
-306 ÷ 357 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%