200% is the change from 51 to 153
Calculation steps:
[( 153 - 51 ) ÷ 51] x 100 = 200%
Formula
Percentage change = [(153 - 51) / 51] x 100
Subtract the new number by the original number
153 - 51 = 102
102 ÷ 51 = 2
2 x 100 = 200%
Example