18.77% is the change from 522 to 620
Calculation steps:
[( 620 - 522 ) ÷ 522] x 100 = 18.77%
Formula
Percentage change = [(620 - 522) / 522] x 100
Subtract the new number by the original number
620 - 522 = 98
98 ÷ 522 = 0.18773946360153257
0.18773946360153257 x 100 = 18.77%