521.02% is the change from 157 to 975
Calculation steps:
[( 975 - 157 ) ÷ 157] x 100 = 521.02%
Formula
Percentage change = [(975 - 157) / 157] x 100
Subtract the new number by the original number
975 - 157 = 818
818 ÷ 157 = 5.210191082802548
5.210191082802548 x 100 = 521.02%