90.23% is the change from 512 to 974
Calculation steps:
[( 974 - 512 ) ÷ 512] x 100 = 90.23%
Formula
Percentage change = [(974 - 512) / 512] x 100
Subtract the new number by the original number
974 - 512 = 462
462 ÷ 512 = 0.90234375
0.90234375 x 100 = 90.23%