79.93% is the change from 543 to 977
Calculation steps:
[( 977 - 543 ) ÷ 543] x 100 = 79.93%
Formula
Percentage change = [(977 - 543) / 543] x 100
Subtract the new number by the original number
977 - 543 = 434
434 ÷ 543 = 0.7992633517495396
0.7992633517495396 x 100 = 79.93%