69.14% is the change from 337 to 570
Calculation steps:
[( 570 - 337 ) ÷ 337] x 100 = 69.14%
Formula
Percentage change = [(570 - 337) / 337] x 100
Subtract the new number by the original number
570 - 337 = 233
233 ÷ 337 = 0.6913946587537092
0.6913946587537092 x 100 = 69.14%