51.52% is the change from 165 to 250
Calculation steps:
[( 250 - 165 ) ÷ 165] x 100 = 51.52%
Formula
Percentage change = [(250 - 165) / 165] x 100
Subtract the new number by the original number
250 - 165 = 85
85 ÷ 165 = 0.5151515151515151
0.5151515151515151 x 100 = 51.52%