78.42% is the change from 292 to 521
Calculation steps:
[( 521 - 292 ) ÷ 292] x 100 = 78.42%
Formula
Percentage change = [(521 - 292) / 292] x 100
Subtract the new number by the original number
521 - 292 = 229
229 ÷ 292 = 0.7842465753424658
0.7842465753424658 x 100 = 78.42%