70.61% is the change from 313 to 534
Calculation steps:
[( 534 - 313 ) ÷ 313] x 100 = 70.61%
Formula
Percentage change = [(534 - 313) / 313] x 100
Subtract the new number by the original number
534 - 313 = 221
221 ÷ 313 = 0.7060702875399361
0.7060702875399361 x 100 = 70.61%