73.56% is the change from 295 to 512
Calculation steps:
[( 512 - 295 ) ÷ 295] x 100 = 73.56%
Formula
Percentage change = [(512 - 295) / 295] x 100
Subtract the new number by the original number
512 - 295 = 217
217 ÷ 295 = 0.735593220338983
0.735593220338983 x 100 = 73.56%