21.8% is the change from 532 to 648
Calculation steps:
[( 648 - 532 ) ÷ 532] x 100 = 21.8%
Formula
Percentage change = [(648 - 532) / 532] x 100
Subtract the new number by the original number
648 - 532 = 116
116 ÷ 532 = 0.21804511278195488
0.21804511278195488 x 100 = 21.8%