156.2% is the change from 258 to 661
Calculation steps:
[( 661 - 258 ) ÷ 258] x 100 = 156.2%
Formula
Percentage change = [(661 - 258) / 258] x 100
Subtract the new number by the original number
661 - 258 = 403
403 ÷ 258 = 1.562015503875969
1.562015503875969 x 100 = 156.2%