-67.02% is the change from 955 to 315
Calculation steps:
[( 315 - 955 ) ÷ 955] x 100 = -67.02%
Formula
Percentage change = [(315 - 955) / 955] x 100
Subtract the new number by the original number
315 - 955 = -640
-640 ÷ 955 = -0.6701570680628273
-0.6701570680628273 x 100 = -67.02%