69.03% is the change from 578 to 977
Calculation steps:
[( 977 - 578 ) ÷ 578] x 100 = 69.03%
Formula
Percentage change = [(977 - 578) / 578] x 100
Subtract the new number by the original number
977 - 578 = 399
399 ÷ 578 = 0.6903114186851211
0.6903114186851211 x 100 = 69.03%