52.74% is the change from 620 to 947
Calculation steps:
[( 947 - 620 ) ÷ 620] x 100 = 52.74%
Formula
Percentage change = [(947 - 620) / 620] x 100
Subtract the new number by the original number
947 - 620 = 327
327 ÷ 620 = 0.5274193548387097
0.5274193548387097 x 100 = 52.74%