288.89% is the change from 54 to 210
Calculation steps:
[( 210 - 54 ) ÷ 54] x 100 = 288.89%
Formula
Percentage change = [(210 - 54) / 54] x 100
Subtract the new number by the original number
210 - 54 = 156
156 ÷ 54 = 2.888888888888889
2.888888888888889 x 100 = 288.89%
Example