42.1% is the change from 620 to 881
Calculation steps:
[( 881 - 620 ) ÷ 620] x 100 = 42.1%
Formula
Percentage change = [(881 - 620) / 620] x 100
Subtract the new number by the original number
881 - 620 = 261
261 ÷ 620 = 0.42096774193548386
0.42096774193548386 x 100 = 42.1%