-67.54% is the change from 915 to 297
Calculation steps:
[( 297 - 915 ) ÷ 915] x 100 = -67.54%
Formula
Percentage change = [(297 - 915) / 915] x 100
Subtract the new number by the original number
297 - 915 = -618
-618 ÷ 915 = -0.6754098360655738
-0.6754098360655738 x 100 = -67.54%