245.49% is the change from 277 to 957
Calculation steps:
[( 957 - 277 ) ÷ 277] x 100 = 245.49%
Formula
Percentage change = [(957 - 277) / 277] x 100
Subtract the new number by the original number
957 - 277 = 680
680 ÷ 277 = 2.454873646209386
2.454873646209386 x 100 = 245.49%