52.9% is the change from 276 to 422
Calculation steps:
[( 422 - 276 ) ÷ 276] x 100 = 52.9%
Formula
Percentage change = [(422 - 276) / 276] x 100
Subtract the new number by the original number
422 - 276 = 146
146 ÷ 276 = 0.5289855072463768
0.5289855072463768 x 100 = 52.9%