75.66% is the change from 304 to 534
Calculation steps:
[( 534 - 304 ) ÷ 304] x 100 = 75.66%
Formula
Percentage change = [(534 - 304) / 304] x 100
Subtract the new number by the original number
534 - 304 = 230
230 ÷ 304 = 0.756578947368421
0.756578947368421 x 100 = 75.66%