47.1% is the change from 620 to 912
Calculation steps:
[( 912 - 620 ) ÷ 620] x 100 = 47.1%
Formula
Percentage change = [(912 - 620) / 620] x 100
Subtract the new number by the original number
912 - 620 = 292
292 ÷ 620 = 0.47096774193548385
0.47096774193548385 x 100 = 47.1%