98.04% is the change from 51 to 101
Calculation steps:
[( 101 - 51 ) ÷ 51] x 100 = 98.04%
Formula
Percentage change = [(101 - 51) / 51] x 100
Subtract the new number by the original number
101 - 51 = 50
50 ÷ 51 = 0.9803921568627451
0.9803921568627451 x 100 = 98.04%