26.63% is the change from 522 to 661
Calculation steps:
[( 661 - 522 ) ÷ 522] x 100 = 26.63%
Formula
Percentage change = [(661 - 522) / 522] x 100
Subtract the new number by the original number
661 - 522 = 139
139 ÷ 522 = 0.2662835249042146
0.2662835249042146 x 100 = 26.63%