84.64% is the change from 521 to 962
Calculation steps:
[( 962 - 521 ) ÷ 521] x 100 = 84.64%
Formula
Percentage change = [(962 - 521) / 521] x 100
Subtract the new number by the original number
962 - 521 = 441
441 ÷ 521 = 0.8464491362763915
0.8464491362763915 x 100 = 84.64%