70.61% is the change from 296 to 505
Calculation steps:
[( 505 - 296 ) ÷ 296] x 100 = 70.61%
Formula
Percentage change = [(505 - 296) / 296] x 100
Subtract the new number by the original number
505 - 296 = 209
209 ÷ 296 = 0.706081081081081
0.706081081081081 x 100 = 70.61%