41.94% is the change from 620 to 880
Calculation steps:
[( 880 - 620 ) ÷ 620] x 100 = 41.94%
Formula
Percentage change = [(880 - 620) / 620] x 100
Subtract the new number by the original number
880 - 620 = 260
260 ÷ 620 = 0.41935483870967744
0.41935483870967744 x 100 = 41.94%