46.11% is the change from 642 to 938
Calculation steps:
[( 938 - 642 ) ÷ 642] x 100 = 46.11%
Formula
Percentage change = [(938 - 642) / 642] x 100
Subtract the new number by the original number
938 - 642 = 296
296 ÷ 642 = 0.46105919003115264
0.46105919003115264 x 100 = 46.11%