23.26% is the change from 215 to 265
Calculation steps:
[( 265 - 215 ) ÷ 215] x 100 = 23.26%
Formula
Percentage change = [(265 - 215) / 215] x 100
Subtract the new number by the original number
265 - 215 = 50
50 ÷ 215 = 0.23255813953488372
0.23255813953488372 x 100 = 23.26%