270.31% is the change from 64 to 237
Calculation steps:
[( 237 - 64 ) ÷ 64] x 100 = 270.31%
Formula
Percentage change = [(237 - 64) / 64] x 100
Subtract the new number by the original number
237 - 64 = 173
173 ÷ 64 = 2.703125
2.703125 x 100 = 270.31%