68.31% is the change from 590 to 993
Calculation steps:
[( 993 - 590 ) ÷ 590] x 100 = 68.31%
Formula
Percentage change = [(993 - 590) / 590] x 100
Subtract the new number by the original number
993 - 590 = 403
403 ÷ 590 = 0.6830508474576271
0.6830508474576271 x 100 = 68.31%