80.26% is the change from 542 to 977
Calculation steps:
[( 977 - 542 ) ÷ 542] x 100 = 80.26%
Formula
Percentage change = [(977 - 542) / 542] x 100
Subtract the new number by the original number
977 - 542 = 435
435 ÷ 542 = 0.8025830258302583
0.8025830258302583 x 100 = 80.26%