70.44% is the change from 521 to 888
Calculation steps:
[( 888 - 521 ) ÷ 521] x 100 = 70.44%
Formula
Percentage change = [(888 - 521) / 521] x 100
Subtract the new number by the original number
888 - 521 = 367
367 ÷ 521 = 0.7044145873320538
0.7044145873320538 x 100 = 70.44%