256.3% is the change from 270 to 962
Calculation steps:
[( 962 - 270 ) ÷ 270] x 100 = 256.3%
Formula
Percentage change = [(962 - 270) / 270] x 100
Subtract the new number by the original number
962 - 270 = 692
692 ÷ 270 = 2.562962962962963
2.562962962962963 x 100 = 256.3%