85.6% is the change from 521 to 967
Calculation steps:
[( 967 - 521 ) ÷ 521] x 100 = 85.6%
Formula
Percentage change = [(967 - 521) / 521] x 100
Subtract the new number by the original number
967 - 521 = 446
446 ÷ 521 = 0.8560460652591171
0.8560460652591171 x 100 = 85.6%