-98.04% is the change from 51 to 1
Calculation steps:
[( 1 - 51 ) ÷ 51] x 100 = -98.04%
Formula
Percentage change = [(1 - 51) / 51] x 100
Subtract the new number by the original number
1 - 51 = -50
-50 ÷ 51 = -0.9803921568627451
-0.9803921568627451 x 100 = -98.04%