24.76% is the change from 521 to 650
Calculation steps:
[( 650 - 521 ) ÷ 521] x 100 = 24.76%
Formula
Percentage change = [(650 - 521) / 521] x 100
Subtract the new number by the original number
650 - 521 = 129
129 ÷ 521 = 0.2476007677543186
0.2476007677543186 x 100 = 24.76%