72.46% is the change from 305 to 526
Calculation steps:
[( 526 - 305 ) ÷ 305] x 100 = 72.46%
Formula
Percentage change = [(526 - 305) / 305] x 100
Subtract the new number by the original number
526 - 305 = 221
221 ÷ 305 = 0.7245901639344262
0.7245901639344262 x 100 = 72.46%