68.8% is the change from 577 to 974
Calculation steps:
[( 974 - 577 ) ÷ 577] x 100 = 68.8%
Formula
Percentage change = [(974 - 577) / 577] x 100
Subtract the new number by the original number
974 - 577 = 397
397 ÷ 577 = 0.6880415944540728
0.6880415944540728 x 100 = 68.8%